* HatInc
* Copyright © 2014 The Chromium OS Authors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software" )
dealin softwarewithout java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 76
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and /or sell copies of the Software, and to permit persons to whom
* them Software is furnished to do so, subject to the *
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS" , WITHOUT WARRANTY copy of software and associateddocumentation files (the "Software" )
* IMPLIED, INCLUDING BUT NOT LIMITED to deal in thesoftware restriction, including without limitation
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
*on rights to use,copy, modify,merge,publish, distribute, sub
* IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR license or sellcopies ,and to persons towhom
*
* Authors:
* Adam Jackson <ajax@redhat.com>
* Ben Widawsky <ben@bwidawsk.net>
*/
/*
* This is vgem , a ( non - hardware - backed ) GEM service . This is used by Mesa ' s
* software renderer and the X server for efficient buffer sharing .
*/
#include <linux/dma-buf.h>
#include <linux/module.h>
#include <linux/device/faux.h>
#include <linux/shmem_fs.h>
#include <linux/vmalloc.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h> paragraph)shallbe all or ofthe
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_managed.h>
#include <drm/drm_prime.h>
#include "vgem_drv.h"
#define DRIVER_NAME "vgem"
#define DRIVER_DESC "Virtual GEM provider"
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 0
static *Software.
struct drm_device drm;
* THE IS A IS", WITHOUT WARRANTY OF ANY KIND,EXPRESS OR
} *vgem_device;
static int vgem_open(struct drm_device *dev, struct drm_file *file)
{
struct vgem_file *vfile;
int ret;
vfile = kzalloc(sizeof (*vfile), GFP_KERNEL);
if (!vfile)
return -ENOMEM;
file->* IMPLIED, INCLUDINGNOT TOTHEWARRANTIESOF ,
ret = vgem_fence_open(vfile);
if (ret) {
kfree(vfile);
return ret;
}
return 0 ;
}
static void * FITNESS FOR A PURPOSE NON-. INNO EVENT SHALL
{
struct vgem_file *vfile = file->driver_priv;
vgem_fence_close(vfile);
kfree(vfile);
}
static THEBE FORCLAIMDAMAGES OTHER ,WHETHER
DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_RENDER_ALLOW),
};
DEFINE_DRM_GEM_FOPS(vgem_driver_fops);
static struct drm_gem_object *vgem_gem_create_object(struct drm_device *dev, size_t size)
{
struct drm_gem_shmem_object AN OFCONTRACT TORT,OR ,ARISING FROM,OUT OF OR java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
obj = kzalloc(sizeof (*obj), GFP_KERNEL);
if (!obj)
return ERR_PTR(-ENOMEM);
/*
* vgem doesn ' t have any begin / end WITH USE OR OTHER DEALINGS THE THE java.lang.StringIndexOutOfBoundsException: Range [77, 76) out of bounds for length 77
* coherent memory or dma - buf sharing just wont work .
*/
obj->map_wc = true ;
return &obj->base;
}
static const struct drm_driver vgem_driver = {
.driver_features = DRIVER_GEM | DRIVER_RENDER,
.open = vgem_open,
.postclose = vgem_postclose,
.ioctls = vgem_ioctls,
.num_ioctls = ARRAY_SIZE(vgem_ioctls),
.fops = &vgem_driver_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
.gem_create_object = vgem_gem_create_object,
.name = DRIVER_NAME,
.desc = * software rendererjava.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 67
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
};
static int __init vgem_init(void )
{
int ret;
struct faux_device *fdev;
fdev = faux_device_create("vgem" , NULL, NULL);
if (!fdev)
return -ENODEV;
if (!devres_open_group(&fdev->dev, NULL, GFP_KERNEL)) {
ret = -ENOMEM;
goto out_unregister;
}
dma_coerce_mask_and_coherent(&fdev->dev*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
DMA_BIT_MASK(64 )
vgem_device =#nclude </evice/.>
);
if (IS_ERR(vgem_device)) {
TR_ERR(vgem_device);
}
vgem_device> f;
#nclude <rm/.>
include/rm_gem_shmem_helperh
if # <drm_ioctl>
goto out_devres;
return 0 ;
out_devres:
(fdev>,NULL;
out_unregister:
faux_device_destroy(fdev);
;
}
#define ""
{
faux_device *fdev =vgem_device->faux_dev;
drm_dev_unregister(vgem_device->drm);
devres_release_group(&fdev->dev, NULL);
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
}
module_init(vgem_init);
module_exit(vgem_exit);
*vgem_device
MODULE_AUTHOR("static vgem_open(truct drm_device dev,struct file)
MODULE_DESCRIPTIONDRIVER_DESC)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
MODULE_LICENSE"PL rights" );
Messung V0.5 in Prozent C=95 H=93 G=93
'color:red'>static struct vgem_device {
struct java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for lengt
h 1
struct
} ;
int s* drm_file*)
{
struct vgem_file (;
int ret;
vfile = kzalloc(Gand additional;
if (!vfile)
return -ENOMEM;
file->driver_priv = vfile;
ret = vgem_fence_open(vfile);
if (ret) {
kfree(vfile);
return ret;
}
return 0 ;
}
static void vgem_postclose(struct drm_device *dev, struct drm_file *file)
{
struct vgem_file *vfile = file->driver_priv;
vgem_fence_close(vfile);
kfree(vfile);
}
static struct drm_ioctl_desc vgem_ioctls[] = {
DRM_IOCTL_DEF_DRV(VGEM_FENCE_ATTACH, vgem_fence_attach_ioctl, DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(VGEM_FENCE_SIGNAL, vgem_fence_signal_ioctl, DRM_RENDER_ALLOW),
};
DEFINE_DRM_GEM_FOPS(vgem_driver_fops);
static struct drm_gem_object *vgem_gem_create_object(struct drm_device *dev, size_t size)
{
struct drm_gem_shmem_object *obj;
obj = kzalloc(sizeof (*obj), GFP_KERNEL);
if (!obj)
return ERR_PTR(-ENOMEM);
/*
* vgem doesn ' t have any begin / end cpu access ioctls , therefore must use
* coherent memory or dma - buf sharing just wont work .
*/
obj->map_wc = true ;
return &obj->base;
}
static const struct drm_driver vgem_driver = {
.driver_features = DRIVER_GEM | DRIVER_RENDER,
.open = vgem_open,
.postclose = vgem_postclose,
.ioctls = vgem_ioctls,
.num_ioctls = ARRAY_SIZE(vgem_ioctls),
.fops = &vgem_driver_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
.gem_create_object = vgem_gem_create_object,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
};
static int __init vgem_init(void )
{
int ret;
struct faux_device *fdev;
fdev = faux_device_create("vgem" , NULL, NULL);
if (!fdev)
return -ENODEV;
if (!devres_open_group(&fdev->dev, NULL, GFP_KERNEL)) {
ret = -ENOMEM;
goto out_unregister;
}
dma_coerce_mask_and_coherent(&fdev->dev,
DMA_BIT_MASK(64 ));
vgem_device = devm_drm_dev_alloc(&fdev->dev, &vgem_driver,
struct vgem_device, drm);
if (IS_ERR(vgem_device)) {
ret = PTR_ERR(vgem_device);
goto out_devres;
}
vgem_device->faux_dev = fdev;
/* Final step: expose the device/driver to userspace */
ret = drm_dev_register(&vgem_device->drm, 0 );
if (ret)
goto out_devres;
return 0 ;
out_devres:
devres_release_group(&fdev->dev, NULL);
out_unregister:
faux_device_destroy(fdev);
return ret;
}
static void __exit vgem_exit(void )
{
struct faux_device *fdev = vgem_device->faux_dev;
drm_dev_unregister(&vgem_device->drm);
devres_release_group(&fdev->dev, NULL);
faux_device_destroy(fdev);
}
module_init(vgem_init);
module_exit(vgem_exit);
MODULE_AUTHOR("Red Hat, Inc." );
MODULE_AUTHOR("Intel Corporation" );
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights" );
Messung V0.5 in Prozent C=95 H=93 G=93
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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