1 /* 2 * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 */ 23 24 #ifndef _INTEL_GVT_H_ 25 #define _INTEL_GVT_H_ 26 27 #include <linux/types.h> 28 29 struct drm_i915_private; 30 31 #ifdef CONFIG_DRM_I915_GVT 32 33 struct intel_gvt_mmio_table_iter { 34 struct drm_i915_private *i915; 35 void *data; 36 int (*handle_mmio_cb)(struct intel_gvt_mmio_table_iter *iter, 37 u32 offset, u32 size); 38 }; 39 40 int intel_gvt_init(struct drm_i915_private *dev_priv); 41 void intel_gvt_driver_remove(struct drm_i915_private *dev_priv); 42 int intel_gvt_init_host(void); 43 void intel_gvt_resume(struct drm_i915_private *dev_priv); 44 int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter); 45 46 struct intel_vgpu_ops { 47 int (*init_device)(struct drm_i915_private *dev_priv); 48 void (*clean_device)(struct drm_i915_private *dev_priv); 49 void (*pm_resume)(struct drm_i915_private *i915); 50 }; 51 52 int intel_gvt_set_ops(const struct intel_vgpu_ops *ops); 53 void intel_gvt_clear_ops(const struct intel_vgpu_ops *ops); 54 55 #else 56 static inline int intel_gvt_init(struct drm_i915_private *dev_priv) 57 { 58 return 0; 59 } 60 61 static inline void intel_gvt_driver_remove(struct drm_i915_private *dev_priv) 62 { 63 } 64 65 static inline void intel_gvt_resume(struct drm_i915_private *dev_priv) 66 { 67 } 68 69 struct intel_gvt_mmio_table_iter { 70 }; 71 72 static inline int intel_gvt_iterate_mmio_table(struct intel_gvt_mmio_table_iter *iter) 73 { 74 return 0; 75 } 76 #endif 77 78 #endif /* _INTEL_GVT_H_ */ 79