mirror of
https://github.com/NVIDIA/open-gpu-kernel-modules.git
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111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
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* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NVIDIA_DRM_GEM_NVKMS_MEMORY_H__
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#define __NVIDIA_DRM_GEM_NVKMS_MEMORY_H__
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#include "nvidia-drm-conftest.h"
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#if defined(NV_DRM_ATOMIC_MODESET_AVAILABLE)
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#include "nvidia-drm-gem.h"
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struct nv_drm_gem_nvkms_memory {
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struct nv_drm_gem_object base;
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bool physically_mapped;
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void *pPhysicalAddress;
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void *pWriteCombinedIORemapAddress;
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struct page **pages;
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unsigned long pages_count;
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};
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extern const struct nv_drm_gem_object_funcs nv_gem_nvkms_memory_ops;
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static inline struct nv_drm_gem_nvkms_memory *to_nv_nvkms_memory(
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struct nv_drm_gem_object *nv_gem)
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{
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if (nv_gem != NULL) {
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return container_of(nv_gem, struct nv_drm_gem_nvkms_memory, base);
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}
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return NULL;
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}
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static inline struct nv_drm_gem_nvkms_memory *to_nv_nvkms_memory_const(
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const struct nv_drm_gem_object *nv_gem)
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{
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if (nv_gem != NULL) {
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return container_of(nv_gem, struct nv_drm_gem_nvkms_memory, base);
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}
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return NULL;
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}
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static inline
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struct nv_drm_gem_nvkms_memory *nv_drm_gem_object_nvkms_memory_lookup(
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struct drm_device *dev,
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struct drm_file *filp,
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u32 handle)
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{
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struct nv_drm_gem_object *nv_gem =
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nv_drm_gem_object_lookup(dev, filp, handle);
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if (nv_gem != NULL && nv_gem->ops != &nv_gem_nvkms_memory_ops) {
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nv_drm_gem_object_unreference_unlocked(nv_gem);
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return NULL;
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}
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return to_nv_nvkms_memory(nv_gem);
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}
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int nv_drm_dumb_create(
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struct drm_file *file_priv,
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struct drm_device *dev, struct drm_mode_create_dumb *args);
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int nv_drm_gem_import_nvkms_memory_ioctl(struct drm_device *dev,
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void *data, struct drm_file *filep);
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int nv_drm_gem_export_nvkms_memory_ioctl(struct drm_device *dev,
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void *data, struct drm_file *filep);
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int nv_drm_gem_alloc_nvkms_memory_ioctl(struct drm_device *dev,
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void *data, struct drm_file *filep);
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int nv_drm_dumb_map_offset(struct drm_file *file,
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struct drm_device *dev, uint32_t handle,
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uint64_t *offset);
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int nv_drm_dumb_destroy(struct drm_file *file,
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struct drm_device *dev,
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uint32_t handle);
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struct drm_gem_object *nv_drm_gem_nvkms_prime_import(
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struct drm_device *dev,
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struct drm_gem_object *gem);
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#endif
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#endif /* __NVIDIA_DRM_GEM_NVKMS_MEMORY_H__ */
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