open-gpu-kernel-modules/kernel-open/nvidia-drm/nvidia-drm-os-interface.h
2022-05-09 13:18:59 -07:00

57 lines
1.9 KiB
C

/*
* Copyright (c) 2015, NVIDIA 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 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 __NVIDIA_DRM_OS_INTERFACE_H__
#define __NVIDIA_DRM_OS_INTERFACE_H__
#include "nvidia-drm-conftest.h" /* NV_DRM_AVAILABLE */
#include "nvtypes.h"
#if defined(NV_DRM_AVAILABLE)
struct page;
/* Set to true when the atomic modeset feature is enabled. */
extern bool nv_drm_modeset_module_param;
void *nv_drm_calloc(size_t nmemb, size_t size);
void nv_drm_free(void *ptr);
char *nv_drm_asprintf(const char *fmt, ...);
void nv_drm_write_combine_flush(void);
int nv_drm_lock_user_pages(unsigned long address,
unsigned long pages_count, struct page ***pages);
void nv_drm_unlock_user_pages(unsigned long pages_count, struct page **pages);
void *nv_drm_vmap(struct page **pages, unsigned long pages_count);
void nv_drm_vunmap(void *address);
#endif
#endif /* __NVIDIA_DRM_OS_INTERFACE_H__ */