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sys/dev/drm/drmkpi/include/drm/drm_gem_cma_helper.h
- This file was added.
/*- | |||||
* Copyright (c) 2019 Emmanuel Vadot <manu@FreeBSD.org> | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice, this list of conditions and the following disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
* SUCH DAMAGE. | |||||
* | |||||
* $FreeBSD$ | |||||
*/ | |||||
#ifndef _DRM_GEM_CMA_H_ | |||||
#define _DRM_GEM_CMA_H_ | |||||
#include <drm/drm_gem.h> | |||||
struct drm_gem_cma_object { | |||||
struct drm_gem_object gem_obj; | |||||
/* mapped memory buffer */ | |||||
vm_paddr_t pbase; | |||||
vm_offset_t vbase; | |||||
size_t npages; | |||||
size_t size; /* Rounded to page */ | |||||
vm_page_t *m; | |||||
}; | |||||
int drm_gem_cma_create(struct drm_device *drm, size_t size, | |||||
struct drm_gem_cma_object **res_bo); | |||||
void drm_gem_cma_free_object(struct drm_gem_object *gem_obj); | |||||
int drm_gem_cma_dumb_create(struct drm_file *file, struct drm_device *drm_dev, | |||||
struct drm_mode_create_dumb *args); | |||||
int drm_gem_cma_mmap(struct file *file, struct vm_area_struct *vma); | |||||
extern const struct vm_operations_struct drm_gem_cma_vm_ops; | |||||
#endif /* _DRM_GEM_CMA_H_ */ |