This implements the blob hypercall interface.
Signed-off-by: Gurchetan Singh <gurchetansingh@xxxxxxxxxxxx>
Acked-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_drv.h | 15 +++++++
drivers/gpu/drm/virtio/virtgpu_vq.c | 65 ++++++++++++++++++++++++++++
2 files changed, 80 insertions(+)
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index 61f57b04525b..fe9bb95a408b 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -35,6 +35,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_fourcc.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_ioctl.h>
@@ -382,6 +383,20 @@ int virtio_gpu_cmd_map(struct virtio_gpu_device *vgdev,
void virtio_gpu_cmd_unmap(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object *bo);
+void
+virtio_gpu_cmd_resource_create_blob(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_object *bo,
+ struct virtio_gpu_object_params *params,
+ struct virtio_gpu_mem_entry *ents,
+ uint32_t nents);
+void
+virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev,
+ uint32_t scanout_id,
+ struct virtio_gpu_object *bo,
+ struct drm_framebuffer *fb,
+ uint32_t width, uint32_t height,
+ uint32_t x, uint32_t y);
+
/* virtgpu_display.c */
void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 09db56c69424..de4356a183d2 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -1228,3 +1228,68 @@ void virtio_gpu_cmd_unmap(struct virtio_gpu_device *vgdev,
virtio_gpu_queue_ctrl_buffer(vgdev, vbuf);
}
+
+void
+virtio_gpu_cmd_resource_create_blob(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_object *bo,
+ struct virtio_gpu_object_params *params,
+ struct virtio_gpu_mem_entry *ents,
+ uint32_t nents)
+{
+ struct virtio_gpu_resource_create_blob *cmd_p;
+ struct virtio_gpu_vbuffer *vbuf;
+
+ cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
+ memset(cmd_p, 0, sizeof(*cmd_p));
+
+ cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB);
+ cmd_p->hdr.ctx_id = cpu_to_le32(params->ctx_id);
+ cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
+ cmd_p->blob_mem = cpu_to_le32(params->blob_mem);
+ cmd_p->blob_flags = cpu_to_le32(params->blob_flags);
+ cmd_p->blob_id = cpu_to_le64(params->blob_id);
+ cmd_p->size = cpu_to_le64(params->size);
+ cmd_p->nr_entries = cpu_to_le32(nents);
+
+ vbuf->data_buf = ents;
+ vbuf->data_size = sizeof(*ents) * nents;
+
+ virtio_gpu_queue_ctrl_buffer(vgdev, vbuf);
+ bo->created = true;
+}
+
+void virtio_gpu_cmd_set_scanout_blob(struct virtio_gpu_device *vgdev,
+ uint32_t scanout_id,
+ struct virtio_gpu_object *bo,
+ struct drm_framebuffer *fb,
+ uint32_t width, uint32_t height,
+ uint32_t x, uint32_t y)
+{
+ uint32_t i;
+ struct virtio_gpu_set_scanout_blob *cmd_p;
+ struct virtio_gpu_vbuffer *vbuf;
+ uint32_t format = virtio_gpu_translate_format(fb->format->format);
+
+ cmd_p = virtio_gpu_alloc_cmd(vgdev, &vbuf, sizeof(*cmd_p));
+ memset(cmd_p, 0, sizeof(*cmd_p));
+
+ cmd_p->hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_SET_SCANOUT_BLOB);
+ cmd_p->resource_id = cpu_to_le32(bo->hw_res_handle);
+ cmd_p->scanout_id = cpu_to_le32(scanout_id);
+
+ cmd_p->format = cpu_to_le32(format);
+ cmd_p->width = cpu_to_le32(fb->width);
+ cmd_p->height = cpu_to_le32(fb->height);
+
+ for (i = 0; i < 4; i++) {
+ cmd_p->strides[i] = cpu_to_le32(fb->pitches[i]);
+ cmd_p->offsets[i] = cpu_to_le64(fb->offsets[i]);
+ }
+
+ cmd_p->r.width = cpu_to_le32(width);
+ cmd_p->r.height = cpu_to_le32(height);
+ cmd_p->r.x = cpu_to_le32(x);
+ cmd_p->r.y = cpu_to_le32(y);
+
+ virtio_gpu_queue_ctrl_buffer(vgdev, vbuf);
+}
--
2.24.1
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