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virtio: update headers, add virtio-gpu (2d)
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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| /* | ||
| * 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) | ||
|
|
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| struct virtio_gpu_ctrl_hdr { | ||
| uint32_t type; | ||
| uint32_t flags; | ||
| uint64_t fence_id; | ||
| uint32_t ctx_id; | ||
| uint32_t padding; | ||
| }; | ||
|
|
||
| /* data passed in the cursor vq */ | ||
|
|
||
| struct virtio_gpu_cursor_pos { | ||
| uint32_t scanout_id; | ||
| uint32_t x; | ||
| uint32_t y; | ||
| uint32_t 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 */ | ||
| uint32_t resource_id; /* update only */ | ||
| uint32_t hot_x; /* update only */ | ||
| uint32_t hot_y; /* update only */ | ||
| uint32_t padding; | ||
| }; | ||
|
|
||
| /* data passed in the control vq, 2d related */ | ||
|
|
||
| struct virtio_gpu_rect { | ||
| uint32_t x; | ||
| uint32_t y; | ||
| uint32_t width; | ||
| uint32_t height; | ||
| }; | ||
|
|
||
| /* VIRTIO_GPU_CMD_RESOURCE_UNREF */ | ||
| struct virtio_gpu_resource_unref { | ||
| struct virtio_gpu_ctrl_hdr hdr; | ||
| uint32_t resource_id; | ||
| uint32_t 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; | ||
| uint32_t resource_id; | ||
| uint32_t format; | ||
| uint32_t width; | ||
| uint32_t height; | ||
| }; | ||
|
|
||
| /* VIRTIO_GPU_CMD_SET_SCANOUT */ | ||
| struct virtio_gpu_set_scanout { | ||
| struct virtio_gpu_ctrl_hdr hdr; | ||
| struct virtio_gpu_rect r; | ||
| uint32_t scanout_id; | ||
| uint32_t resource_id; | ||
| }; | ||
|
|
||
| /* VIRTIO_GPU_CMD_RESOURCE_FLUSH */ | ||
| struct virtio_gpu_resource_flush { | ||
| struct virtio_gpu_ctrl_hdr hdr; | ||
| struct virtio_gpu_rect r; | ||
| uint32_t resource_id; | ||
| uint32_t 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; | ||
| uint64_t offset; | ||
| uint32_t resource_id; | ||
| uint32_t padding; | ||
| }; | ||
|
|
||
| struct virtio_gpu_mem_entry { | ||
| uint64_t addr; | ||
| uint32_t length; | ||
| uint32_t padding; | ||
| }; | ||
|
|
||
| /* VIRTIO_GPU_CMD_RESOURCE_ATTACH_BACKING */ | ||
| struct virtio_gpu_resource_attach_backing { | ||
| struct virtio_gpu_ctrl_hdr hdr; | ||
| uint32_t resource_id; | ||
| uint32_t nr_entries; | ||
| }; | ||
|
|
||
| /* VIRTIO_GPU_CMD_RESOURCE_DETACH_BACKING */ | ||
| struct virtio_gpu_resource_detach_backing { | ||
| struct virtio_gpu_ctrl_hdr hdr; | ||
| uint32_t resource_id; | ||
| uint32_t 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; | ||
| uint32_t enabled; | ||
| uint32_t flags; | ||
| } pmodes[VIRTIO_GPU_MAX_SCANOUTS]; | ||
| }; | ||
|
|
||
| #define VIRTIO_GPU_EVENT_DISPLAY (1 << 0) | ||
|
|
||
| struct virtio_gpu_config { | ||
| uint32_t events_read; | ||
| uint32_t events_clear; | ||
| uint32_t num_scanouts; | ||
| uint32_t 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 |
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