| 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 | |