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virtio_gpu.h
/* * 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 #include <linux/types.h> /* * VIRTIO_GPU_CMD_CTX_* * VIRTIO_GPU_CMD_*_3D */ #define VIRTIO_GPU_F_VIRGL 0 /* * VIRTIO_GPU_CMD_GET_EDID */ #define VIRTIO_GPU_F_EDID 1 /* * VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID */ #define VIRTIO_GPU_F_RESOURCE_UUID 2 /* * VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB */ #define VIRTIO_GPU_F_RESOURCE_BLOB 3 /* * VIRTIO_GPU_CMD_CREATE_CONTEXT with * context_init and multiple timelines */ #define VIRTIO_GPU_F_CONTEXT_INIT 4 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, VIRTIO_GPU_CMD_GET_CAPSET_INFO, VIRTIO_GPU_CMD_GET_CAPSET, VIRTIO_GPU_CMD_GET_EDID, VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID, VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB, VIRTIO_GPU_CMD_SET_SCANOUT_BLOB, /* 3d commands */ VIRTIO_GPU_CMD_CTX_CREATE = 0x0200, VIRTIO_GPU_CMD_CTX_DESTROY, VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE, VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE, VIRTIO_GPU_CMD_RESOURCE_CREATE_3D, VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D, VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D, VIRTIO_GPU_CMD_SUBMIT_3D, VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB, VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB, /* 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, VIRTIO_GPU_RESP_OK_CAPSET_INFO, VIRTIO_GPU_RESP_OK_CAPSET, VIRTIO_GPU_RESP_OK_EDID, VIRTIO_GPU_RESP_OK_RESOURCE_UUID, VIRTIO_GPU_RESP_OK_MAP_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, }; enum virtio_gpu_shm_id { VIRTIO_GPU_SHM_ID_UNDEFINED = 0, /* * VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB * VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB */ VIRTIO_GPU_SHM_ID_HOST_VISIBLE = 1 }; #define VIRTIO_GPU_FLAG_FENCE (1 << 0) /* * If the following flag is set, then ring_idx contains the index * of the command ring that needs to used when creating the fence */ #define VIRTIO_GPU_FLAG_INFO_RING_IDX (1 << 1) struct virtio_gpu_ctrl_hdr { __le32 type; __le32 flags; __le64 fence_id; __le32 ctx_id; __u8 ring_idx; __u8 padding[3]; }; /* 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]; }; /* data passed in the control vq, 3d related */ struct virtio_gpu_box { __le32 x, y, z; __le32 w, h, d; }; /* VIRTIO_GPU_CMD_TRANSFER_TO_HOST_3D, VIRTIO_GPU_CMD_TRANSFER_FROM_HOST_3D */ struct virtio_gpu_transfer_host_3d { struct virtio_gpu_ctrl_hdr hdr; struct virtio_gpu_box box; __le64 offset; __le32 resource_id; __le32 level; __le32 stride; __le32 layer_stride; }; /* VIRTIO_GPU_CMD_RESOURCE_CREATE_3D */ #define VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP (1 << 0) struct virtio_gpu_resource_create_3d { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; __le32 target; __le32 format; __le32 bind; __le32 width; __le32 height; __le32 depth; __le32 array_size; __le32 last_level; __le32 nr_samples; __le32 flags; __le32 padding; }; /* VIRTIO_GPU_CMD_CTX_CREATE */ #define VIRTIO_GPU_CONTEXT_INIT_CAPSET_ID_MASK 0x000000ff struct virtio_gpu_ctx_create { struct virtio_gpu_ctrl_hdr hdr; __le32 nlen; __le32 context_init; char debug_name[64]; }; /* VIRTIO_GPU_CMD_CTX_DESTROY */ struct virtio_gpu_ctx_destroy { struct virtio_gpu_ctrl_hdr hdr; }; /* VIRTIO_GPU_CMD_CTX_ATTACH_RESOURCE, VIRTIO_GPU_CMD_CTX_DETACH_RESOURCE */ struct virtio_gpu_ctx_resource { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; __le32 padding; }; /* VIRTIO_GPU_CMD_SUBMIT_3D */ struct virtio_gpu_cmd_submit { struct virtio_gpu_ctrl_hdr hdr; __le32 size; __le32 padding; }; #define VIRTIO_GPU_CAPSET_VIRGL 1 #define VIRTIO_GPU_CAPSET_VIRGL2 2 /* 3 is reserved for gfxstream */ #define VIRTIO_GPU_CAPSET_VENUS 4 #define VIRTIO_GPU_CAPSET_DRM 6 /* VIRTIO_GPU_CMD_GET_CAPSET_INFO */ struct virtio_gpu_get_capset_info { struct virtio_gpu_ctrl_hdr hdr; __le32 capset_index; __le32 padding; }; /* VIRTIO_GPU_RESP_OK_CAPSET_INFO */ struct virtio_gpu_resp_capset_info { struct virtio_gpu_ctrl_hdr hdr; __le32 capset_id; __le32 capset_max_version; __le32 capset_max_size; __le32 padding; }; /* VIRTIO_GPU_CMD_GET_CAPSET */ struct virtio_gpu_get_capset { struct virtio_gpu_ctrl_hdr hdr; __le32 capset_id; __le32 capset_version; }; /* VIRTIO_GPU_RESP_OK_CAPSET */ struct virtio_gpu_resp_capset { struct virtio_gpu_ctrl_hdr hdr; __u8 capset_data[]; }; /* VIRTIO_GPU_CMD_GET_EDID */ struct virtio_gpu_cmd_get_edid { struct virtio_gpu_ctrl_hdr hdr; __le32 scanout; __le32 padding; }; /* VIRTIO_GPU_RESP_OK_EDID */ struct virtio_gpu_resp_edid { struct virtio_gpu_ctrl_hdr hdr; __le32 size; __le32 padding; __u8 edid[1024]; }; #define VIRTIO_GPU_EVENT_DISPLAY (1 << 0) struct virtio_gpu_config { __le32 events_read; __le32 events_clear; __le32 num_scanouts; __le32 num_capsets; }; /* 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, }; /* VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID */ struct virtio_gpu_resource_assign_uuid { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; __le32 padding; }; /* VIRTIO_GPU_RESP_OK_RESOURCE_UUID */ struct virtio_gpu_resp_resource_uuid { struct virtio_gpu_ctrl_hdr hdr; __u8 uuid[16]; }; /* VIRTIO_GPU_CMD_RESOURCE_CREATE_BLOB */ struct virtio_gpu_resource_create_blob { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; #define VIRTIO_GPU_BLOB_MEM_GUEST 0x0001 #define VIRTIO_GPU_BLOB_MEM_HOST3D 0x0002 #define VIRTIO_GPU_BLOB_MEM_HOST3D_GUEST 0x0003 #define VIRTIO_GPU_BLOB_FLAG_USE_MAPPABLE 0x0001 #define VIRTIO_GPU_BLOB_FLAG_USE_SHAREABLE 0x0002 #define VIRTIO_GPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004 /* zero is invalid blob mem */ __le32 blob_mem; __le32 blob_flags; __le32 nr_entries; __le64 blob_id; __le64 size; /* * sizeof(nr_entries * virtio_gpu_mem_entry) bytes follow */ }; /* VIRTIO_GPU_CMD_SET_SCANOUT_BLOB */ struct virtio_gpu_set_scanout_blob { struct virtio_gpu_ctrl_hdr hdr; struct virtio_gpu_rect r; __le32 scanout_id; __le32 resource_id; __le32 width; __le32 height; __le32 format; __le32 padding; __le32 strides[4]; __le32 offsets[4]; }; /* VIRTIO_GPU_CMD_RESOURCE_MAP_BLOB */ struct virtio_gpu_resource_map_blob { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; __le32 padding; __le64 offset; }; /* VIRTIO_GPU_RESP_OK_MAP_INFO */ #define VIRTIO_GPU_MAP_CACHE_MASK 0x0f #define VIRTIO_GPU_MAP_CACHE_NONE 0x00 #define VIRTIO_GPU_MAP_CACHE_CACHED 0x01 #define VIRTIO_GPU_MAP_CACHE_UNCACHED 0x02 #define VIRTIO_GPU_MAP_CACHE_WC 0x03 struct virtio_gpu_resp_map_info { struct virtio_gpu_ctrl_hdr hdr; __u32 map_info; __u32 padding; }; /* VIRTIO_GPU_CMD_RESOURCE_UNMAP_BLOB */ struct virtio_gpu_resource_unmap_blob { struct virtio_gpu_ctrl_hdr hdr; __le32 resource_id; __le32 padding; }; #endif
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