@@ -16,6 +16,8 @@
#include "trace.h"
#include "hw/virtio/virtio.h"
#include "hw/virtio/virtio-gpu.h"
+#include "hw/virtio/virtio-gpu-bswap.h"
+#include "hw/virtio/virtio-iommu.h"
#include <virglrenderer.h>
@@ -409,6 +411,143 @@ static void virgl_cmd_get_capset(VirtIOGPU *g,
g_free(resp);
}
+static void virgl_cmd_resource_create_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_create_blob cblob;
+ int ret;
+
+ VIRTIO_GPU_FILL_CMD(cblob);
+ virtio_gpu_create_blob_bswap(&cblob);
+ trace_virtio_gpu_cmd_res_create_blob(cblob.resource_id, cblob.size);
+
+ if (cblob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, cblob.resource_id);
+ if (res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource already exists %d\n",
+ __func__, cblob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = g_new0(struct virtio_gpu_simple_resource, 1);
+ res->resource_id = cblob.resource_id;
+ res->blob_size = cblob.size;
+
+ if (res->iov) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+ return;
+ }
+
+ if (cblob.blob_mem != VIRTIO_GPU_BLOB_MEM_HOST3D) {
+ ret = virtio_gpu_create_mapping_iov(g, cblob.nr_entries, sizeof(cblob),
+ cmd, &res->addrs, &res->iov,
+ &res->iov_cnt);
+ if (ret != 0) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+ return;
+ }
+ }
+
+ if (cblob.blob_mem == VIRTIO_GPU_BLOB_MEM_GUEST) {
+ virtio_gpu_init_udmabuf(res);
+ }
+ QTAILQ_INSERT_HEAD(&g->reslist, res, next);
+
+ const struct virgl_renderer_resource_create_blob_args virgl_args = {
+ .res_handle = cblob.resource_id,
+ .ctx_id = cblob.hdr.ctx_id,
+ .blob_mem = cblob.blob_mem,
+ .blob_id = cblob.blob_id,
+ .blob_flags = cblob.blob_flags,
+ .size = cblob.size,
+ .iovecs = res->iov,
+ .num_iovs = res->iov_cnt,
+ };
+ ret = virgl_renderer_resource_create_blob(&virgl_args);
+ if (ret) {
+ g_print("Virgl blob create error: %s\n", strerror(-ret));
+ }
+}
+
+static void virgl_cmd_resource_map_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_map_blob mblob;
+ int ret;
+ void *data;
+ uint64_t size;
+ MemoryRegion *region;
+ struct virtio_gpu_resp_map_info resp;
+
+ VIRTIO_GPU_FILL_CMD(mblob);
+ virtio_gpu_map_blob_bswap(&mblob);
+
+ if (mblob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, mblob.resource_id);
+ if (!res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
+ __func__, mblob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ ret = virgl_renderer_resource_map(mblob.hdr.ctx_id, res->resource_id, &data, &size);
+ if (ret) {
+ g_print("Virgl blob resource map error: %s\n", strerror(-ret));
+ }
+
+ region = g_new0(MemoryRegion, 1);
+ memory_region_init_ram_device_ptr(region, OBJECT(g), NULL, size, data);
+ memory_region_add_subregion(&g->parent_obj.hostmem, mblob.offset, region);
+ memory_region_set_enabled(region, true);
+
+ memset(&resp, 0, sizeof(resp));
+ resp.hdr.type = VIRTIO_GPU_RESP_OK_MAP_INFO;
+ virgl_renderer_resource_get_map_info(mblob.resource_id, &resp.map_info);
+ virtio_gpu_ctrl_response(g, cmd, &resp.hdr, sizeof(resp));
+}
+
+static void virgl_cmd_resource_unmap_blob(VirtIOGPU *g,
+ struct virtio_gpu_ctrl_command *cmd)
+{
+ struct virtio_gpu_simple_resource *res;
+ struct virtio_gpu_resource_unmap_blob ublob;
+ VIRTIO_GPU_FILL_CMD(ublob);
+ virtio_gpu_unmap_blob_bswap(&ublob);
+
+ if (ublob.resource_id == 0) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource id 0 is not allowed\n",
+ __func__);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ res = virtio_gpu_find_resource(g, ublob.resource_id);
+ if (!res) {
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: resource does not exist %d\n",
+ __func__, ublob.resource_id);
+ cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID;
+ return;
+ }
+
+ virgl_renderer_resource_unmap(ublob.hdr.ctx_id, ublob.resource_id);
+}
+
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd)
{
@@ -478,6 +617,15 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,
case VIRTIO_GPU_CMD_GET_EDID:
virtio_gpu_get_edid(g, cmd);
break;
+ case VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB:
+ virgl_cmd_resource_create_blob(g, cmd);
+ break;
+ case VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB:
+ virgl_cmd_resource_map_blob(g, cmd);
+ break;
+ case VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB:
+ virgl_cmd_resource_unmap_blob(g, cmd);
+ break;
default:
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
break;
@@ -33,8 +33,6 @@
#define VIRTIO_GPU_VM_VERSION 1
-static struct virtio_gpu_simple_resource*
-virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
static struct virtio_gpu_simple_resource *
virtio_gpu_find_check_resource(VirtIOGPU *g, uint32_t resource_id,
bool require_backing,
@@ -115,7 +113,7 @@ static void update_cursor(VirtIOGPU *g, struct virtio_gpu_update_cursor *cursor)
cursor->resource_id ? 1 : 0);
}
-static struct virtio_gpu_simple_resource *
+struct virtio_gpu_simple_resource *
virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id)
{
struct virtio_gpu_simple_resource *res;
@@ -1316,11 +1314,6 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
error_setg(errp, "cannot enable blob resources without udmabuf");
return;
}
-
- if (virtio_gpu_virgl_enabled(g->parent_obj.conf)) {
- error_setg(errp, "blobs and virgl are not compatible (yet)");
- return;
- }
}
if (!virtio_gpu_base_device_realize(qdev,
@@ -64,10 +64,28 @@ virtio_gpu_create_blob_bswap(struct virtio_gpu_resource_create_blob *cblob)
{
virtio_gpu_ctrl_hdr_bswap(&cblob->hdr);
le32_to_cpus(&cblob->resource_id);
+ le32_to_cpus(&cblob->blob_mem);
le32_to_cpus(&cblob->blob_flags);
+ le32_to_cpus(&cblob->nr_entries);
+ le64_to_cpus(&cblob->blob_id);
le64_to_cpus(&cblob->size);
}
+static inline void
+virtio_gpu_map_blob_bswap(struct virtio_gpu_resource_map_blob *mblob)
+{
+ virtio_gpu_ctrl_hdr_bswap(&mblob->hdr);
+ le32_to_cpus(&mblob->resource_id);
+ le64_to_cpus(&mblob->offset);
+}
+
+static inline void
+virtio_gpu_unmap_blob_bswap(struct virtio_gpu_resource_unmap_blob *ublob)
+{
+ virtio_gpu_ctrl_hdr_bswap(&ublob->hdr);
+ le32_to_cpus(&ublob->resource_id);
+}
+
static inline void
virtio_gpu_scanout_blob_bswap(struct virtio_gpu_set_scanout_blob *ssb)
{
@@ -245,6 +245,9 @@ void virtio_gpu_base_fill_display_info(VirtIOGPUBase *g,
struct virtio_gpu_resp_display_info *dpy_info);
/* virtio-gpu.c */
+struct virtio_gpu_simple_resource *
+virtio_gpu_find_resource(VirtIOGPU *g, uint32_t resource_id);
+
void virtio_gpu_ctrl_response(VirtIOGPU *g,
struct virtio_gpu_ctrl_command *cmd,
struct virtio_gpu_ctrl_hdr *resp,
Support BLOB resources creation by calling virgl_renderer_resource_create_blob. Signed-off-by: Antonio Caggiano <antonio.caggiano@collabora.com> --- hw/display/virtio-gpu-virgl.c | 148 +++++++++++++++++++++++++++ hw/display/virtio-gpu.c | 9 +- include/hw/virtio/virtio-gpu-bswap.h | 18 ++++ include/hw/virtio/virtio-gpu.h | 3 + 4 files changed, 170 insertions(+), 8 deletions(-)