diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/mmio_context.h')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/mmio_context.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.h b/drivers/gpu/drm/i915/gvt/mmio_context.h new file mode 100644 index 000000000..9540813b8 --- /dev/null +++ b/drivers/gpu/drm/i915/gvt/mmio_context.h @@ -0,0 +1,73 @@ +/* + * Copyright(c) 2011-2016 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. + * + * Authors: + * Eddie Dong <eddie.dong@intel.com> + * Kevin Tian <kevin.tian@intel.com> + * + * Contributors: + * Zhi Wang <zhi.a.wang@intel.com> + * Changbin Du <changbin.du@intel.com> + * Zhenyu Wang <zhenyuw@linux.intel.com> + * Tina Zhang <tina.zhang@intel.com> + * Bing Niu <bing.niu@intel.com> + * + */ + +#ifndef __GVT_RENDER_H__ +#define __GVT_RENDER_H__ + +#include <linux/types.h> + +#include "gt/intel_engine_regs.h" +#include "gt/intel_engine_types.h" +#include "gt/intel_lrc_reg.h" + +struct i915_request; +struct intel_context; +struct intel_engine_cs; +struct intel_gvt; +struct intel_vgpu; + +struct engine_mmio { + enum intel_engine_id id; + i915_reg_t reg; + u32 mask; + bool in_context; + u32 value; +}; + +void intel_gvt_switch_mmio(struct intel_vgpu *pre, + struct intel_vgpu *next, + const struct intel_engine_cs *engine); + +void intel_gvt_init_engine_mmio_context(struct intel_gvt *gvt); + +bool is_inhibit_context(struct intel_context *ce); + +int intel_vgpu_restore_inhibit_context(struct intel_vgpu *vgpu, + struct i915_request *req); + +#define IS_RESTORE_INHIBIT(a) \ + IS_MASKED_BITS_ENABLED(a, CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT) + +#endif |