drm/vmwgfx/vmwgfx_devcaps.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
0002 /**************************************************************************
0003  *
0004  * Copyright 2021 VMware, Inc., Palo Alto, CA., USA
0005  *
0006  * Permission is hereby granted, free of charge, to any person obtaining a
0007  * copy of this software and associated documentation files (the
0008  * "Software"), to deal in the Software without restriction, including
0009  * without limitation the rights to use, copy, modify, merge, publish,
0010  * distribute, sub license, and/or sell copies of the Software, and to
0011  * permit persons to whom the Software is furnished to do so, subject to
0012  * the following conditions:
0013  *
0014  * The above copyright notice and this permission notice (including the
0015  * next paragraph) shall be included in all copies or substantial portions
0016  * of the Software.
0017  *
0018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0020  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
0021  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
0022  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
0023  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
0024  * USE OR OTHER DEALINGS IN THE SOFTWARE.
0025  *
0026  **************************************************************************/
0027
0028 #ifndef _VMWGFX_DEVCAPS_H_
0029 #define _VMWGFX_DEVCAPS_H_
0030
0031 #include "vmwgfx_drv.h"
0032
0033 #include "device_include/svga_reg.h"
0034
0035 int vmw_devcaps_create(struct vmw_private *vmw);
0036 void vmw_devcaps_destroy(struct vmw_private *vmw);
0037 uint32_t vmw_devcaps_size(const struct vmw_private *vmw, bool gb_aware);
0038 int vmw_devcaps_copy(struct vmw_private *vmw, bool gb_aware,
0039              void *dst, uint32_t dst_size);
0040
0041 static inline uint32_t vmw_devcap_get(struct vmw_private *vmw,
0042                       uint32_t devcap)
0043 {
0044     bool gb_objects = !!(vmw->capabilities & SVGA_CAP_GBOBJECTS);
0045     if (gb_objects)
0046         return vmw->devcaps[devcap];
0047     return 0;
0048 }
0049
0050 #endif