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/************************************************************************** * * Copyright © 2009-2022 VMware, Inc., Palo Alto, CA., USA * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #ifndef __VMWGFX_DRM_H__ #define __VMWGFX_DRM_H__ #include "drm.h" #if defined(__cplusplus) extern "C" { #endif #define DRM_VMW_MAX_SURFACE_FACES 6 #define DRM_VMW_MAX_MIP_LEVELS 24 #define DRM_VMW_GET_PARAM 0 #define DRM_VMW_ALLOC_DMABUF 1 #define DRM_VMW_ALLOC_BO 1 #define DRM_VMW_UNREF_DMABUF 2 #define DRM_VMW_HANDLE_CLOSE 2 #define DRM_VMW_CURSOR_BYPASS 3 /* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/ #define DRM_VMW_CONTROL_STREAM 4 #define DRM_VMW_CLAIM_STREAM 5 #define DRM_VMW_UNREF_STREAM 6 /* guarded by DRM_VMW_PARAM_3D == 1 */ #define DRM_VMW_CREATE_CONTEXT 7 #define DRM_VMW_UNREF_CONTEXT 8 #define DRM_VMW_CREATE_SURFACE 9 #define DRM_VMW_UNREF_SURFACE 10 #define DRM_VMW_REF_SURFACE 11 #define DRM_VMW_EXECBUF 12 #define DRM_VMW_GET_3D_CAP 13 #define DRM_VMW_FENCE_WAIT 14 #define DRM_VMW_FENCE_SIGNALED 15 #define DRM_VMW_FENCE_UNREF 16 #define DRM_VMW_FENCE_EVENT 17 #define DRM_VMW_PRESENT 18 #define DRM_VMW_PRESENT_READBACK 19 #define DRM_VMW_UPDATE_LAYOUT 20 #define DRM_VMW_CREATE_SHADER 21 #define DRM_VMW_UNREF_SHADER 22 #define DRM_VMW_GB_SURFACE_CREATE 23 #define DRM_VMW_GB_SURFACE_REF 24 #define DRM_VMW_SYNCCPU 25 #define DRM_VMW_CREATE_EXTENDED_CONTEXT 26 #define DRM_VMW_GB_SURFACE_CREATE_EXT 27 #define DRM_VMW_GB_SURFACE_REF_EXT 28 #define DRM_VMW_MSG 29 #define DRM_VMW_MKSSTAT_RESET 30 #define DRM_VMW_MKSSTAT_ADD 31 #define DRM_VMW_MKSSTAT_REMOVE 32 /*************************************************************************/ /** * DRM_VMW_GET_PARAM - get device information. * * DRM_VMW_PARAM_FIFO_OFFSET: * Offset to use to map the first page of the FIFO read-only. * The fifo is mapped using the mmap() system call on the drm device. * * DRM_VMW_PARAM_OVERLAY_IOCTL: * Does the driver support the overlay ioctl. * * DRM_VMW_PARAM_SM4_1 * SM4_1 support is enabled. * * DRM_VMW_PARAM_SM5 * SM5 support is enabled. * * DRM_VMW_PARAM_GL43 * SM5.1+GL4.3 support is enabled. * * DRM_VMW_PARAM_DEVICE_ID * PCI ID of the underlying SVGA device. */ #define DRM_VMW_PARAM_NUM_STREAMS 0 #define DRM_VMW_PARAM_NUM_FREE_STREAMS 1 #define DRM_VMW_PARAM_3D 2 #define DRM_VMW_PARAM_HW_CAPS 3 #define DRM_VMW_PARAM_FIFO_CAPS 4 #define DRM_VMW_PARAM_MAX_FB_SIZE 5 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6 #define DRM_VMW_PARAM_MAX_SURF_MEMORY 7 #define DRM_VMW_PARAM_3D_CAPS_SIZE 8 #define DRM_VMW_PARAM_MAX_MOB_MEMORY 9 #define DRM_VMW_PARAM_MAX_MOB_SIZE 10 #define DRM_VMW_PARAM_SCREEN_TARGET 11 #define DRM_VMW_PARAM_DX 12 #define DRM_VMW_PARAM_HW_CAPS2 13 #define DRM_VMW_PARAM_SM4_1 14 #define DRM_VMW_PARAM_SM5 15 #define DRM_VMW_PARAM_GL43 16 #define DRM_VMW_PARAM_DEVICE_ID 17 /** * enum drm_vmw_handle_type - handle type for ref ioctls * */ enum drm_vmw_handle_type { DRM_VMW_HANDLE_LEGACY = 0, DRM_VMW_HANDLE_PRIME = 1 }; /** * struct drm_vmw_getparam_arg * * @value: Returned value. //Out * @param: Parameter to query. //In. * * Argument to the DRM_VMW_GET_PARAM Ioctl. */ struct drm_vmw_getparam_arg { __u64 value; __u32 param; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_CREATE_CONTEXT - Create a host context. * * Allocates a device unique context id, and queues a create context command * for the host. Does not wait for host completion. */ /** * struct drm_vmw_context_arg * * @cid: Device unique context ID. * * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. */ struct drm_vmw_context_arg { __s32 cid; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_UNREF_CONTEXT - Create a host context. * * Frees a global context id, and queues a destroy host command for the host. * Does not wait for host completion. The context ID can be used directly * in the command stream and shows up as the same context ID on the host. */ /*************************************************************************/ /** * DRM_VMW_CREATE_SURFACE - Create a host suface. * * Allocates a device unique surface id, and queues a create surface command * for the host. Does not wait for host completion. The surface ID can be * used directly in the command stream and shows up as the same surface * ID on the host. */ /** * struct drm_wmv_surface_create_req * * @flags: Surface flags as understood by the host. * @format: Surface format as understood by the host. * @mip_levels: Number of mip levels for each face. * An unused face should have 0 encoded. * @size_addr: Address of a user-space array of sruct drm_vmw_size * cast to an __u64 for 32-64 bit compatibility. * The size of the array should equal the total number of mipmap levels. * @shareable: Boolean whether other clients (as identified by file descriptors) * may reference this surface. * @scanout: Boolean whether the surface is intended to be used as a * scanout. * * Input data to the DRM_VMW_CREATE_SURFACE Ioctl. * Output data from the DRM_VMW_REF_SURFACE Ioctl. */ struct drm_vmw_surface_create_req { __u32 flags; __u32 format; __u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; __u64 size_addr; __s32 shareable; __s32 scanout; }; /** * struct drm_wmv_surface_arg * * @sid: Surface id of created surface or surface to destroy or reference. * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl. * * Output data from the DRM_VMW_CREATE_SURFACE Ioctl. * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl. * Input argument to the DRM_VMW_REF_SURFACE Ioctl. */ struct drm_vmw_surface_arg { __s32 sid; enum drm_vmw_handle_type handle_type; }; /** * struct drm_vmw_size ioctl. * * @width - mip level width * @height - mip level height * @depth - mip level depth * * Description of a mip level. * Input data to the DRM_WMW_CREATE_SURFACE Ioctl. */ struct drm_vmw_size { __u32 width; __u32 height; __u32 depth; __u32 pad64; }; /** * union drm_vmw_surface_create_arg * * @rep: Output data as described above. * @req: Input data as described above. * * Argument to the DRM_VMW_CREATE_SURFACE Ioctl. */ union drm_vmw_surface_create_arg { struct drm_vmw_surface_arg rep; struct drm_vmw_surface_create_req req; }; /*************************************************************************/ /** * DRM_VMW_REF_SURFACE - Reference a host surface. * * Puts a reference on a host surface with a give sid, as previously * returned by the DRM_VMW_CREATE_SURFACE ioctl. * A reference will make sure the surface isn't destroyed while we hold * it and will allow the calling client to use the surface ID in the command * stream. * * On successful return, the Ioctl returns the surface information given * in the DRM_VMW_CREATE_SURFACE ioctl. */ /** * union drm_vmw_surface_reference_arg * * @rep: Output data as described above. * @req: Input data as described above. * * Argument to the DRM_VMW_REF_SURFACE Ioctl. */ union drm_vmw_surface_reference_arg { struct drm_vmw_surface_create_req rep; struct drm_vmw_surface_arg req; }; /*************************************************************************/ /** * DRM_VMW_UNREF_SURFACE - Unreference a host surface. * * Clear a reference previously put on a host surface. * When all references are gone, including the one implicitly placed * on creation, * a destroy surface command will be queued for the host. * Does not wait for completion. */ /*************************************************************************/ /** * DRM_VMW_EXECBUF * * Submit a command buffer for execution on the host, and return a * fence seqno that when signaled, indicates that the command buffer has * executed. */ /** * struct drm_vmw_execbuf_arg * * @commands: User-space address of a command buffer cast to an __u64. * @command-size: Size in bytes of the command buffer. * @throttle-us: Sleep until software is less than @throttle_us * microseconds ahead of hardware. The driver may round this value * to the nearest kernel tick. * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an * __u64. * @version: Allows expanding the execbuf ioctl parameters without breaking * backwards compatibility, since user-space will always tell the kernel * which version it uses. * @flags: Execbuf flags. * @imported_fence_fd: FD for a fence imported from another device * * Argument to the DRM_VMW_EXECBUF Ioctl. */ #define DRM_VMW_EXECBUF_VERSION 2 #define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0) #define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1) struct drm_vmw_execbuf_arg { __u64 commands; __u32 command_size; __u32 throttle_us; __u64 fence_rep; __u32 version; __u32 flags; __u32 context_handle; __s32 imported_fence_fd; }; /** * struct drm_vmw_fence_rep * * @handle: Fence object handle for fence associated with a command submission. * @mask: Fence flags relevant for this fence object. * @seqno: Fence sequence number in fifo. A fence object with a lower * seqno will signal the EXEC flag before a fence object with a higher * seqno. This can be used by user-space to avoid kernel calls to determine * whether a fence has signaled the EXEC flag. Note that @seqno will * wrap at 32-bit. * @passed_seqno: The highest seqno number processed by the hardware * so far. This can be used to mark user-space fence objects as signaled, and * to determine whether a fence seqno might be stale. * @fd: FD associated with the fence, -1 if not exported * @error: This member should've been set to -EFAULT on submission. * The following actions should be take on completion: * error == -EFAULT: Fence communication failed. The host is synchronized. * Use the last fence id read from the FIFO fence register. * error != 0 && error != -EFAULT: * Fence submission failed. The host is synchronized. Use the fence_seq member. * error == 0: All is OK, The host may not be synchronized. * Use the fence_seq member. * * Input / Output data to the DRM_VMW_EXECBUF Ioctl. */ struct drm_vmw_fence_rep { __u32 handle; __u32 mask; __u32 seqno; __u32 passed_seqno; __s32 fd; __s32 error; }; /*************************************************************************/ /** * DRM_VMW_ALLOC_BO * * Allocate a buffer object that is visible also to the host. * NOTE: The buffer is * identified by a handle and an offset, which are private to the guest, but * useable in the command stream. The guest kernel may translate these * and patch up the command stream accordingly. In the future, the offset may * be zero at all times, or it may disappear from the interface before it is * fixed. * * The buffer object may stay user-space mapped in the guest at all times, * and is thus suitable for sub-allocation. * * Buffer objects are mapped using the mmap() syscall on the drm device. */ /** * struct drm_vmw_alloc_bo_req * * @size: Required minimum size of the buffer. * * Input data to the DRM_VMW_ALLOC_BO Ioctl. */ struct drm_vmw_alloc_bo_req { __u32 size; __u32 pad64; }; #define drm_vmw_alloc_dmabuf_req drm_vmw_alloc_bo_req /** * struct drm_vmw_bo_rep * * @map_handle: Offset to use in the mmap() call used to map the buffer. * @handle: Handle unique to this buffer. Used for unreferencing. * @cur_gmr_id: GMR id to use in the command stream when this buffer is * referenced. See not above. * @cur_gmr_offset: Offset to use in the command stream when this buffer is * referenced. See note above. * * Output data from the DRM_VMW_ALLOC_BO Ioctl. */ struct drm_vmw_bo_rep { __u64 map_handle; __u32 handle; __u32 cur_gmr_id; __u32 cur_gmr_offset; __u32 pad64; }; #define drm_vmw_dmabuf_rep drm_vmw_bo_rep /** * union drm_vmw_alloc_bo_arg * * @req: Input data as described above. * @rep: Output data as described above. * * Argument to the DRM_VMW_ALLOC_BO Ioctl. */ union drm_vmw_alloc_bo_arg { struct drm_vmw_alloc_bo_req req; struct drm_vmw_bo_rep rep; }; #define drm_vmw_alloc_dmabuf_arg drm_vmw_alloc_bo_arg /*************************************************************************/ /** * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams. * * This IOCTL controls the overlay units of the svga device. * The SVGA overlay units does not work like regular hardware units in * that they do not automaticaly read back the contents of the given dma * buffer. But instead only read back for each call to this ioctl, and * at any point between this call being made and a following call that * either changes the buffer or disables the stream. */ /** * struct drm_vmw_rect * * Defines a rectangle. Used in the overlay ioctl to define * source and destination rectangle. */ struct drm_vmw_rect { __s32 x; __s32 y; __u32 w; __u32 h; }; /** * struct drm_vmw_control_stream_arg * * @stream_id: Stearm to control * @enabled: If false all following arguments are ignored. * @handle: Handle to buffer for getting data from. * @format: Format of the overlay as understood by the host. * @width: Width of the overlay. * @height: Height of the overlay. * @size: Size of the overlay in bytes. * @pitch: Array of pitches, the two last are only used for YUV12 formats. * @offset: Offset from start of dma buffer to overlay. * @src: Source rect, must be within the defined area above. * @dst: Destination rect, x and y may be negative. * * Argument to the DRM_VMW_CONTROL_STREAM Ioctl. */ struct drm_vmw_control_stream_arg { __u32 stream_id; __u32 enabled; __u32 flags; __u32 color_key; __u32 handle; __u32 offset; __s32 format; __u32 size; __u32 width; __u32 height; __u32 pitch[3]; __u32 pad64; struct drm_vmw_rect src; struct drm_vmw_rect dst; }; /*************************************************************************/ /** * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass. * */ #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0) #define DRM_VMW_CURSOR_BYPASS_FLAGS (1) /** * struct drm_vmw_cursor_bypass_arg * * @flags: Flags. * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed. * @xpos: X position of cursor. * @ypos: Y position of cursor. * @xhot: X hotspot. * @yhot: Y hotspot. * * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl. */ struct drm_vmw_cursor_bypass_arg { __u32 flags; __u32 crtc_id; __s32 xpos; __s32 ypos; __s32 xhot; __s32 yhot; }; /*************************************************************************/ /** * DRM_VMW_CLAIM_STREAM - Claim a single stream. */ /** * struct drm_vmw_context_arg * * @stream_id: Device unique context ID. * * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. */ struct drm_vmw_stream_arg { __u32 stream_id; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_UNREF_STREAM - Unclaim a stream. * * Return a single stream that was claimed by this process. Also makes * sure that the stream has been stopped. */ /*************************************************************************/ /** * DRM_VMW_GET_3D_CAP * * Read 3D capabilities from the FIFO * */ /** * struct drm_vmw_get_3d_cap_arg * * @buffer: Pointer to a buffer for capability data, cast to an __u64 * @size: Max size to copy * * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL * ioctls. */ struct drm_vmw_get_3d_cap_arg { __u64 buffer; __u32 max_size; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_FENCE_WAIT * * Waits for a fence object to signal. The wait is interruptible, so that * signals may be delivered during the interrupt. The wait may timeout, * in which case the calls returns -EBUSY. If the wait is restarted, * that is restarting without resetting @cookie_valid to zero, * the timeout is computed from the first call. * * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait * on: * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command * stream * have executed. * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish * commands * in the buffer given to the EXECBUF ioctl returning the fence object handle * are available to user-space. * * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the * fenc wait ioctl returns 0, the fence object has been unreferenced after * the wait. */ #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0) #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1) #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0) /** * struct drm_vmw_fence_wait_arg * * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. * @cookie_valid: Must be reset to 0 on first call. Left alone on restart. * @kernel_cookie: Set to 0 on first call. Left alone on restart. * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout. * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick * before returning. * @flags: Fence flags to wait on. * @wait_options: Options that control the behaviour of the wait ioctl. * * Input argument to the DRM_VMW_FENCE_WAIT ioctl. */ struct drm_vmw_fence_wait_arg { __u32 handle; __s32 cookie_valid; __u64 kernel_cookie; __u64 timeout_us; __s32 lazy; __s32 flags; __s32 wait_options; __s32 pad64; }; /*************************************************************************/ /** * DRM_VMW_FENCE_SIGNALED * * Checks if a fence object is signaled.. */ /** * struct drm_vmw_fence_signaled_arg * * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl * @signaled: Out: Flags signaled. * @sequence: Out: Highest sequence passed so far. Can be used to signal the * EXEC flag of user-space fence objects. * * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF * ioctls. */ struct drm_vmw_fence_signaled_arg { __u32 handle; __u32 flags; __s32 signaled; __u32 passed_seqno; __u32 signaled_flags; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_FENCE_UNREF * * Unreferences a fence object, and causes it to be destroyed if there are no * other references to it. * */ /** * struct drm_vmw_fence_arg * * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. * * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl.. */ struct drm_vmw_fence_arg { __u32 handle; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_FENCE_EVENT * * Queues an event on a fence to be delivered on the drm character device * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag. * Optionally the approximate time when the fence signaled is * given by the event. */ /* * The event type */ #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000 struct drm_vmw_event_fence { struct drm_event base; __u64 user_data; __u32 tv_sec; __u32 tv_usec; }; /* * Flags that may be given to the command. */ /* Request fence signaled time on the event. */ #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0) /** * struct drm_vmw_fence_event_arg * * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if * the fence is not supposed to be referenced by user-space. * @user_info: Info to be delivered with the event. * @handle: Attach the event to this fence only. * @flags: A set of flags as defined above. */ struct drm_vmw_fence_event_arg { __u64 fence_rep; __u64 user_data; __u32 handle; __u32 flags; }; /*************************************************************************/ /** * DRM_VMW_PRESENT * * Executes an SVGA present on a given fb for a given surface. The surface * is placed on the framebuffer. Cliprects are given relative to the given * point (the point disignated by dest_{x|y}). * */ /** * struct drm_vmw_present_arg * @fb_id: framebuffer id to present / read back from. * @sid: Surface id to present from. * @dest_x: X placement coordinate for surface. * @dest_y: Y placement coordinate for surface. * @clips_ptr: Pointer to an array of clip rects cast to an __u64. * @num_clips: Number of cliprects given relative to the framebuffer origin, * in the same coordinate space as the frame buffer. * @pad64: Unused 64-bit padding. * * Input argument to the DRM_VMW_PRESENT ioctl. */ struct drm_vmw_present_arg { __u32 fb_id; __u32 sid; __s32 dest_x; __s32 dest_y; __u64 clips_ptr; __u32 num_clips; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_PRESENT_READBACK * * Executes an SVGA present readback from a given fb to the dma buffer * currently bound as the fb. If there is no dma buffer bound to the fb, * an error will be returned. * */ /** * struct drm_vmw_present_arg * @fb_id: fb_id to present / read back from. * @num_clips: Number of cliprects. * @clips_ptr: Pointer to an array of clip rects cast to an __u64. * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64. * If this member is NULL, then the ioctl should not return a fence. */ struct drm_vmw_present_readback_arg { __u32 fb_id; __u32 num_clips; __u64 clips_ptr; __u64 fence_rep; }; /*************************************************************************/ /** * DRM_VMW_UPDATE_LAYOUT - Update layout * * Updates the preferred modes and connection status for connectors. The * command consists of one drm_vmw_update_layout_arg pointing to an array * of num_outputs drm_vmw_rect's. */ /** * struct drm_vmw_update_layout_arg * * @num_outputs: number of active connectors * @rects: pointer to array of drm_vmw_rect cast to an __u64 * * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl. */ struct drm_vmw_update_layout_arg { __u32 num_outputs; __u32 pad64; __u64 rects; }; /*************************************************************************/ /** * DRM_VMW_CREATE_SHADER - Create shader * * Creates a shader and optionally binds it to a dma buffer containing * the shader byte-code. */ /** * enum drm_vmw_shader_type - Shader types */ enum drm_vmw_shader_type { drm_vmw_shader_type_vs = 0, drm_vmw_shader_type_ps, }; /** * struct drm_vmw_shader_create_arg * * @shader_type: Shader type of the shader to create. * @size: Size of the byte-code in bytes. * where the shader byte-code starts * @buffer_handle: Buffer handle identifying the buffer containing the * shader byte-code * @shader_handle: On successful completion contains a handle that * can be used to subsequently identify the shader. * @offset: Offset in bytes into the buffer given by @buffer_handle, * * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl. */ struct drm_vmw_shader_create_arg { enum drm_vmw_shader_type shader_type; __u32 size; __u32 buffer_handle; __u32 shader_handle; __u64 offset; }; /*************************************************************************/ /** * DRM_VMW_UNREF_SHADER - Unreferences a shader * * Destroys a user-space reference to a shader, optionally destroying * it. */ /** * struct drm_vmw_shader_arg * * @handle: Handle identifying the shader to destroy. * * Input argument to the DRM_VMW_UNREF_SHADER ioctl. */ struct drm_vmw_shader_arg { __u32 handle; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface. * * Allocates a surface handle and queues a create surface command * for the host on the first use of the surface. The surface ID can * be used as the surface ID in commands referencing the surface. */ /** * enum drm_vmw_surface_flags * * @drm_vmw_surface_flag_shareable: Whether the surface is shareable * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout * surface. * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is * given. * @drm_vmw_surface_flag_coherent: Back surface with coherent memory. */ enum drm_vmw_surface_flags { drm_vmw_surface_flag_shareable = (1 << 0), drm_vmw_surface_flag_scanout = (1 << 1), drm_vmw_surface_flag_create_buffer = (1 << 2), drm_vmw_surface_flag_coherent = (1 << 3), }; /** * struct drm_vmw_gb_surface_create_req * * @svga3d_flags: SVGA3d surface flags for the device. * @format: SVGA3d format. * @mip_level: Number of mip levels for all faces. * @drm_surface_flags Flags as described above. * @multisample_count Future use. Set to 0. * @autogen_filter Future use. Set to 0. * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID * if none. * @base_size Size of the base mip level for all faces. * @array_size Must be zero for non-DX hardware, and if non-zero * svga3d_flags must have proper bind flags setup. * * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl. * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl. */ struct drm_vmw_gb_surface_create_req { __u32 svga3d_flags; __u32 format; __u32 mip_levels; enum drm_vmw_surface_flags drm_surface_flags; __u32 multisample_count; __u32 autogen_filter; __u32 buffer_handle; __u32 array_size; struct drm_vmw_size base_size; }; /** * struct drm_vmw_gb_surface_create_rep * * @handle: Surface handle. * @backup_size: Size of backup buffers for this surface. * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none. * @buffer_size: Actual size of the buffer identified by * @buffer_handle * @buffer_map_handle: Offset into device address space for the buffer * identified by @buffer_handle. * * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl. * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl. */ struct drm_vmw_gb_surface_create_rep { __u32 handle; __u32 backup_size; __u32 buffer_handle; __u32 buffer_size; __u64 buffer_map_handle; }; /** * union drm_vmw_gb_surface_create_arg * * @req: Input argument as described above. * @rep: Output argument as described above. * * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl. */ union drm_vmw_gb_surface_create_arg { struct drm_vmw_gb_surface_create_rep rep; struct drm_vmw_gb_surface_create_req req; }; /*************************************************************************/ /** * DRM_VMW_GB_SURFACE_REF - Reference a host surface. * * Puts a reference on a host surface with a given handle, as previously * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl. * A reference will make sure the surface isn't destroyed while we hold * it and will allow the calling client to use the surface handle in * the command stream. * * On successful return, the Ioctl returns the surface information given * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl. */ /** * struct drm_vmw_gb_surface_reference_arg * * @creq: The data used as input when the surface was created, as described * above at "struct drm_vmw_gb_surface_create_req" * @crep: Additional data output when the surface was created, as described * above at "struct drm_vmw_gb_surface_create_rep" * * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl. */ struct drm_vmw_gb_surface_ref_rep { struct drm_vmw_gb_surface_create_req creq; struct drm_vmw_gb_surface_create_rep crep; }; /** * union drm_vmw_gb_surface_reference_arg * * @req: Input data as described above at "struct drm_vmw_surface_arg" * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep" * * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl. */ union drm_vmw_gb_surface_reference_arg { struct drm_vmw_gb_surface_ref_rep rep; struct drm_vmw_surface_arg req; }; /*************************************************************************/ /** * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access. * * Idles any previously submitted GPU operations on the buffer and * by default blocks command submissions that reference the buffer. * If the file descriptor used to grab a blocking CPU sync is closed, the * cpu sync is released. * The flags argument indicates how the grab / release operation should be * performed: */ /** * enum drm_vmw_synccpu_flags - Synccpu flags: * * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a * hint to the kernel to allow command submissions that references the buffer * for read-only. * @drm_vmw_synccpu_write: Sync for write. Block all command submissions * referencing this buffer. * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return * -EBUSY should the buffer be busy. * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer * while the buffer is synced for CPU. This is similar to the GEM bo idle * behavior. */ enum drm_vmw_synccpu_flags { drm_vmw_synccpu_read = (1 << 0), drm_vmw_synccpu_write = (1 << 1), drm_vmw_synccpu_dontblock = (1 << 2), drm_vmw_synccpu_allow_cs = (1 << 3) }; /** * enum drm_vmw_synccpu_op - Synccpu operations: * * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations * @drm_vmw_synccpu_release: Release a previous grab. */ enum drm_vmw_synccpu_op { drm_vmw_synccpu_grab, drm_vmw_synccpu_release }; /** * struct drm_vmw_synccpu_arg * * @op: The synccpu operation as described above. * @handle: Handle identifying the buffer object. * @flags: Flags as described above. */ struct drm_vmw_synccpu_arg { enum drm_vmw_synccpu_op op; enum drm_vmw_synccpu_flags flags; __u32 handle; __u32 pad64; }; /*************************************************************************/ /** * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context. * * Allocates a device unique context id, and queues a create context command * for the host. Does not wait for host completion. */ enum drm_vmw_extended_context { drm_vmw_context_legacy, drm_vmw_context_dx }; /** * union drm_vmw_extended_context_arg * * @req: Context type. * @rep: Context identifier. * * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl. */ union drm_vmw_extended_context_arg { enum drm_vmw_extended_context req; struct drm_vmw_context_arg rep; }; /*************************************************************************/ /* * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its * underlying resource. * * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF * Ioctl. */ /** * struct drm_vmw_handle_close_arg * * @handle: Handle to close. * * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl. */ struct drm_vmw_handle_close_arg { __u32 handle; __u32 pad64; }; #define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg /*************************************************************************/ /** * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface. * * Allocates a surface handle and queues a create surface command * for the host on the first use of the surface. The surface ID can * be used as the surface ID in commands referencing the surface. * * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version * parameter and 64 bit svga flag. */ /** * enum drm_vmw_surface_version * * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with * svga3d surface flags split into 2, upper half and lower half. */ enum drm_vmw_surface_version { drm_vmw_gb_surface_v1, }; /** * struct drm_vmw_gb_surface_create_ext_req * * @base: Surface create parameters. * @version: Version of surface create ioctl. * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags. * @multisample_pattern: Multisampling pattern when msaa is supported. * @quality_level: Precision settings for each sample. * @buffer_byte_stride: Buffer byte stride. * @must_be_zero: Reserved for future usage. * * Input argument to the DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl. * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl. */ struct drm_vmw_gb_surface_create_ext_req { struct drm_vmw_gb_surface_create_req base; enum drm_vmw_surface_version version; __u32 svga3d_flags_upper_32_bits; __u32 multisample_pattern; __u32 quality_level; __u32 buffer_byte_stride; __u32 must_be_zero; }; /** * union drm_vmw_gb_surface_create_ext_arg * * @req: Input argument as described above. * @rep: Output argument as described above. * * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. */ union drm_vmw_gb_surface_create_ext_arg { struct drm_vmw_gb_surface_create_rep rep; struct drm_vmw_gb_surface_create_ext_req req; }; /*************************************************************************/ /** * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface. * * Puts a reference on a host surface with a given handle, as previously * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. * A reference will make sure the surface isn't destroyed while we hold * it and will allow the calling client to use the surface handle in * the command stream. * * On successful return, the Ioctl returns the surface information given * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. */ /** * struct drm_vmw_gb_surface_ref_ext_rep * * @creq: The data used as input when the surface was created, as described * above at "struct drm_vmw_gb_surface_create_ext_req" * @crep: Additional data output when the surface was created, as described * above at "struct drm_vmw_gb_surface_create_rep" * * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl. */ struct drm_vmw_gb_surface_ref_ext_rep { struct drm_vmw_gb_surface_create_ext_req creq; struct drm_vmw_gb_surface_create_rep crep; }; /** * union drm_vmw_gb_surface_reference_ext_arg * * @req: Input data as described above at "struct drm_vmw_surface_arg" * @rep: Output data as described above at * "struct drm_vmw_gb_surface_ref_ext_rep" * * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl. */ union drm_vmw_gb_surface_reference_ext_arg { struct drm_vmw_gb_surface_ref_ext_rep rep; struct drm_vmw_surface_arg req; }; /** * struct drm_vmw_msg_arg * * @send: Pointer to user-space msg string (null terminated). * @receive: Pointer to user-space receive buffer. * @send_only: Boolean whether this is only sending or receiving too. * * Argument to the DRM_VMW_MSG ioctl. */ struct drm_vmw_msg_arg { __u64 send; __u64 receive; __s32 send_only; __u32 receive_len; }; /** * struct drm_vmw_mksstat_add_arg * * @stat: Pointer to user-space stat-counters array, page-aligned. * @info: Pointer to user-space counter-infos array, page-aligned. * @strs: Pointer to user-space stat strings, page-aligned. * @stat_len: Length in bytes of stat-counters array. * @info_len: Length in bytes of counter-infos array. * @strs_len: Length in bytes of the stat strings, terminators included. * @description: Pointer to instance descriptor string; will be truncated * to MKS_GUEST_STAT_INSTANCE_DESC_LENGTH chars. * @id: Output identifier of the produced record; -1 if error. * * Argument to the DRM_VMW_MKSSTAT_ADD ioctl. */ struct drm_vmw_mksstat_add_arg { __u64 stat; __u64 info; __u64 strs; __u64 stat_len; __u64 info_len; __u64 strs_len; __u64 description; __u64 id; }; /** * struct drm_vmw_mksstat_remove_arg * * @id: Identifier of the record being disposed, originally obtained through * DRM_VMW_MKSSTAT_ADD ioctl. * * Argument to the DRM_VMW_MKSSTAT_REMOVE ioctl. */ struct drm_vmw_mksstat_remove_arg { __u64 id; }; #if defined(__cplusplus) } #endif #endif
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