mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 00:55:28 +07:00
1fd51d9d97
Let GVT-g VM read the CSB and CSB write pointer from virtual HWSP, not all the host support this feature, need to check the BIT(3) of caps in PVINFO. v3 : Remove unnecessary comments. v4 : Separate VM enable patch with GVT-g implementation patch due to code dependency. v5 : Use inline for GVT virtual HWSP caps check function. v6 : Comments refine. Signed-off-by: Weinan Li <weinan.z.li@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1508039725-1066-1-git-send-email-weinan.z.li@intel.com
43 lines
1.6 KiB
C
43 lines
1.6 KiB
C
/*
|
|
* Copyright(c) 2011-2015 Intel Corporation. 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, sublicense,
|
|
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS 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 _I915_VGPU_H_
|
|
#define _I915_VGPU_H_
|
|
|
|
#include "i915_pvinfo.h"
|
|
|
|
void i915_check_vgpu(struct drm_i915_private *dev_priv);
|
|
|
|
bool intel_vgpu_has_full_48bit_ppgtt(struct drm_i915_private *dev_priv);
|
|
|
|
static inline bool
|
|
intel_vgpu_has_hwsp_emulation(struct drm_i915_private *dev_priv)
|
|
{
|
|
return dev_priv->vgpu.caps & VGT_CAPS_HWSP_EMULATION;
|
|
}
|
|
|
|
int intel_vgt_balloon(struct drm_i915_private *dev_priv);
|
|
void intel_vgt_deballoon(struct drm_i915_private *dev_priv);
|
|
|
|
#endif /* _I915_VGPU_H_ */
|