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-rw-r--r--include/drm/drmP.h1
-rw-r--r--include/uapi/linux/Kbuild1
-rw-r--r--include/uapi/linux/virtio_gpu.h204
-rw-r--r--include/uapi/linux/virtio_ids.h1
4 files changed, 207 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 9fa6366f47c2..48db6a56975f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -818,6 +818,7 @@ struct drm_device {
#endif
struct platform_device *platformdev; /**< Platform device struture */
+ struct virtio_device *virtdev;
struct drm_sg_mem *sg; /**< Scatter gather memory */
unsigned int num_crtcs; /**< Number of CRTCs on this device */
diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild
index 1a0006a76b00..4460e5820b0e 100644
--- a/include/uapi/linux/Kbuild
+++ b/include/uapi/linux/Kbuild
@@ -430,6 +430,7 @@ header-y += virtio_balloon.h
header-y += virtio_blk.h
header-y += virtio_config.h
header-y += virtio_console.h
+header-y += virtio_gpu.h
header-y += virtio_ids.h
header-y += virtio_input.h
header-y += virtio_net.h
diff --git a/include/uapi/linux/virtio_gpu.h b/include/uapi/linux/virtio_gpu.h
new file mode 100644
index 000000000000..571c4cbd3f93
--- /dev/null
+++ b/include/uapi/linux/virtio_gpu.h
@@ -0,0 +1,204 @@
+/*
+ * Virtio GPU Device
+ *
+ * Copyright Red Hat, Inc. 2013-2014
+ *
+ * Authors:
+ * Dave Airlie <airlied@redhat.com>
+ * Gerd Hoffmann <kraxel@redhat.com>
+ *
+ * This header is BSD licensed so anyone can use the definitions
+ * to implement compatible drivers/servers:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of IBM nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL IBM OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef VIRTIO_GPU_HW_H
+#define VIRTIO_GPU_HW_H
+
+enum virtio_gpu_ctrl_type {
+ VIRTIO_GPU_UNDEFINED = 0,
+
+ /* 2d commands */
+ VIRTIO_GPU_CMD_GET_DISPLAY_INFO = 0x0100,
+ VIRTIO_GPU_CMD_RESOURCE_CREATE_2D,
+ VIRTIO_GPU_CMD_RESOURCE_UNREF,
+ VIRTIO_GPU_CMD_SET_SCANOUT,
+ VIRTIO_GPU_CMD_RESOURCE_FLUSH,
+ VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D,
+ VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING,
+ VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING,
+
+ /* cursor commands */
+ VIRTIO_GPU_CMD_UPDATE_CURSOR = 0x0300,
+ VIRTIO_GPU_CMD_MOVE_CURSOR,
+
+ /* success responses */
+ VIRTIO_GPU_RESP_OK_NODATA = 0x1100,
+ VIRTIO_GPU_RESP_OK_DISPLAY_INFO,
+
+ /* error responses */
+ VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
+ VIRTIO_GPU_RESP_ERR_OUT_OF_MEMORY,
+ VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID,
+ VIRTIO_GPU_RESP_ERR_INVALID_RESOURCE_ID,
+ VIRTIO_GPU_RESP_ERR_INVALID_CONTEXT_ID,
+ VIRTIO_GPU_RESP_ERR_INVALID_PARAMETER,
+};
+
+#define VIRTIO_GPU_FLAG_FENCE (1 << 0)
+
+struct virtio_gpu_ctrl_hdr {
+ __le32 type;
+ __le32 flags;
+ __le64 fence_id;
+ __le32 ctx_id;
+ __le32 padding;
+};
+
+/* data passed in the cursor vq */
+
+struct virtio_gpu_cursor_pos {
+ __le32 scanout_id;
+ __le32 x;
+ __le32 y;
+ __le32 padding;
+};
+
+/* VIRTIO_GPU_CMD_UPDATE_CURSOR, VIRTIO_GPU_CMD_MOVE_CURSOR */
+struct virtio_gpu_update_cursor {
+ struct virtio_gpu_ctrl_hdr hdr;
+ struct virtio_gpu_cursor_pos pos; /* update & move */
+ __le32 resource_id; /* update only */
+ __le32 hot_x; /* update only */
+ __le32 hot_y; /* update only */
+ __le32 padding;
+};
+
+/* data passed in the control vq, 2d related */
+
+struct virtio_gpu_rect {
+ __le32 x;
+ __le32 y;
+ __le32 width;
+ __le32 height;
+};
+
+/* VIRTIO_GPU_CMD_RESOURCE_UNREF */
+struct virtio_gpu_resource_unref {
+ struct virtio_gpu_ctrl_hdr hdr;
+ __le32 resource_id;
+ __le32 padding;
+};
+
+/* VIRTIO_GPU_CMD_RESOURCE_CREATE_2D: create a 2d resource with a format */
+struct virtio_gpu_resource_create_2d {
+ struct virtio_gpu_ctrl_hdr hdr;
+ __le32 resource_id;
+ __le32 format;
+ __le32 width;
+ __le32 height;
+};
+
+/* VIRTIO_GPU_CMD_SET_SCANOUT */
+struct virtio_gpu_set_scanout {
+ struct virtio_gpu_ctrl_hdr hdr;
+ struct virtio_gpu_rect r;
+ __le32 scanout_id;
+ __le32 resource_id;
+};
+
+/* VIRTIO_GPU_CMD_RESOURCE_FLUSH */
+struct virtio_gpu_resource_flush {
+ struct virtio_gpu_ctrl_hdr hdr;
+ struct virtio_gpu_rect r;
+ __le32 resource_id;
+ __le32 padding;
+};
+
+/* VIRTIO_GPU_CMD_TRANSFER_TO_HOST_2D: simple transfer to_host */
+struct virtio_gpu_transfer_to_host_2d {
+ struct virtio_gpu_ctrl_hdr hdr;
+ struct virtio_gpu_rect r;
+ __le64 offset;
+ __le32 resource_id;
+ __le32 padding;
+};
+
+struct virtio_gpu_mem_entry {
+ __le64 addr;
+ __le32 length;
+ __le32 padding;
+};
+
+/* VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING */
+struct virtio_gpu_resource_attach_backing {
+ struct virtio_gpu_ctrl_hdr hdr;
+ __le32 resource_id;
+ __le32 nr_entries;
+};
+
+/* VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING */
+struct virtio_gpu_resource_detach_backing {
+ struct virtio_gpu_ctrl_hdr hdr;
+ __le32 resource_id;
+ __le32 padding;
+};
+
+/* VIRTIO_GPU_RESP_OK_DISPLAY_INFO */
+#define VIRTIO_GPU_MAX_SCANOUTS 16
+struct virtio_gpu_resp_display_info {
+ struct virtio_gpu_ctrl_hdr hdr;
+ struct virtio_gpu_display_one {
+ struct virtio_gpu_rect r;
+ __le32 enabled;
+ __le32 flags;
+ } pmodes[VIRTIO_GPU_MAX_SCANOUTS];
+};
+
+#define VIRTIO_GPU_EVENT_DISPLAY (1 << 0)
+
+struct virtio_gpu_config {
+ __u32 events_read;
+ __u32 events_clear;
+ __u32 num_scanouts;
+ __u32 reserved;
+};
+
+/* simple formats for fbcon/X use */
+enum virtio_gpu_formats {
+ VIRTIO_GPU_FORMAT_B8G8R8A8_UNORM = 1,
+ VIRTIO_GPU_FORMAT_B8G8R8X8_UNORM = 2,
+ VIRTIO_GPU_FORMAT_A8R8G8B8_UNORM = 3,
+ VIRTIO_GPU_FORMAT_X8R8G8B8_UNORM = 4,
+
+ VIRTIO_GPU_FORMAT_R8G8B8A8_UNORM = 67,
+ VIRTIO_GPU_FORMAT_X8B8G8R8_UNORM = 68,
+
+ VIRTIO_GPU_FORMAT_A8B8G8R8_UNORM = 121,
+ VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134,
+};
+
+#endif
diff --git a/include/uapi/linux/virtio_ids.h b/include/uapi/linux/virtio_ids.h
index 5f60aa4be50a..77925f587b15 100644
--- a/include/uapi/linux/virtio_ids.h
+++ b/include/uapi/linux/virtio_ids.h
@@ -39,6 +39,7 @@
#define VIRTIO_ID_9P 9 /* 9p virtio console */
#define VIRTIO_ID_RPROC_SERIAL 11 /* virtio remoteproc serial link */
#define VIRTIO_ID_CAIF 12 /* Virtio caif */
+#define VIRTIO_ID_GPU 16 /* virtio GPU */
#define VIRTIO_ID_INPUT 18 /* virtio input */
#endif /* _LINUX_VIRTIO_IDS_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 11:49:05 +0000