diff options
Diffstat (limited to 'include/drm/vmwgfx_drm.h')
| -rw-r--r-- | include/drm/vmwgfx_drm.h | 1128 |
1 files changed, 1128 insertions, 0 deletions
diff --git a/include/drm/vmwgfx_drm.h b/include/drm/vmwgfx_drm.h new file mode 100644 index 0000000..2b8d47e --- /dev/null +++ b/include/drm/vmwgfx_drm.h @@ -0,0 +1,1128 @@ +/************************************************************************** + * + * Copyright © 2009-2015 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_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 + +/*************************************************************************/ +/** + * 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. + */ + +#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 + +/** + * 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_DMABUF + * + * Allocate a DMA buffer 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 + * usable 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 DMA buffer may stay user-space mapped in the guest at all times, + * and is thus suitable for sub-allocation. + * + * DMA buffers are mapped using the mmap() syscall on the drm device. + */ + +/** + * struct drm_vmw_alloc_dmabuf_req + * + * @size: Required minimum size of the buffer. + * + * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl. + */ + +struct drm_vmw_alloc_dmabuf_req { + __u32 size; + __u32 pad64; +}; + +/** + * struct drm_vmw_dmabuf_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_DMABUF Ioctl. + */ + +struct drm_vmw_dmabuf_rep { + __u64 map_handle; + __u32 handle; + __u32 cur_gmr_id; + __u32 cur_gmr_offset; + __u32 pad64; +}; + +/** + * union drm_vmw_dmabuf_arg + * + * @req: Input data as described above. + * @rep: Output data as described above. + * + * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl. + */ + +union drm_vmw_alloc_dmabuf_arg { + struct drm_vmw_alloc_dmabuf_req req; + struct drm_vmw_dmabuf_rep rep; +}; + +/*************************************************************************/ +/** + * DRM_VMW_UNREF_DMABUF - Free a DMA buffer. + * + */ + +/** + * struct drm_vmw_unref_dmabuf_arg + * + * @handle: Handle indicating what buffer to free. Obtained from the + * DRM_VMW_ALLOC_DMABUF Ioctl. + * + * Argument to the DRM_VMW_UNREF_DMABUF Ioctl. + */ + +struct drm_vmw_unref_dmabuf_arg { + __u32 handle; + __u32 pad64; +}; + +/*************************************************************************/ +/** + * 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 automatically 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. + */ +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) +}; + +/** + * 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: Don't 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 DRM_VMW_UNREF_DMABUF Ioctl. + * The ioctl arguments therefore need to be identical in layout. + * + */ + +/** + * 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; +}; + + +#if defined(__cplusplus) +} +#endif + +#endif |