cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vmwgfx_devcaps.h (2006B)

      1/* SPDX-License-Identifier: GPL-2.0 OR MIT */
      2/**************************************************************************
      3 *
      4 * Copyright 2021 VMware, Inc., Palo Alto, CA., USA
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a
      7 * copy of this software and associated documentation files (the
      8 * "Software"), to deal in the Software without restriction, including
      9 * without limitation the rights to use, copy, modify, merge, publish,
     10 * distribute, sub license, and/or sell copies of the Software, and to
     11 * permit persons to whom the Software is furnished to do so, subject to
     12 * the following conditions:
     13 *
     14 * The above copyright notice and this permission notice (including the
     15 * next paragraph) shall be included in all copies or substantial portions
     16 * of the Software.
     17 *
     18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
     21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
     22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
     23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
     25 *
     26 **************************************************************************/
     27
     28#ifndef _VMWGFX_DEVCAPS_H_
     29#define _VMWGFX_DEVCAPS_H_
     30
     31#include "vmwgfx_drv.h"
     32
     33#include "device_include/svga_reg.h"
     34
     35int vmw_devcaps_create(struct vmw_private *vmw);
     36void vmw_devcaps_destroy(struct vmw_private *vmw);
     37uint32_t vmw_devcaps_size(const struct vmw_private *vmw, bool gb_aware);
     38int vmw_devcaps_copy(struct vmw_private *vmw, bool gb_aware,
     39		     void *dst, uint32_t dst_size);
     40
     41static inline uint32_t vmw_devcap_get(struct vmw_private *vmw,
     42				      uint32_t devcap)
     43{
     44	bool gb_objects = !!(vmw->capabilities & SVGA_CAP_GBOBJECTS);
     45	if (gb_objects)
     46		return vmw->devcaps[devcap];
     47	return 0;
     48}
     49
     50#endif