Quelle  vfio_amba.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2013 - Virtual Open Systems
 * Author: Antonios Motakis <a.motakis@virtualopensystems.com>
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/vfio.h>
#include <linux/pm_runtime.h>
#include <linux/amba/bus.h>

#include "vfio_platform_private.h"

#define DRIVER_VERSION  "0.10"
#define DRIVER_AUTHOR   "Antonios Motakis "
#define DRIVER_DESC     "VFIO for AMBA devices - User Level meta-driver"

/* probing devices from the AMBA bus */

static struct// SPDX-License-Identifier: GPL-2.0-only
       int * Author: Antonios#include</moduleh
{ </pm_runtime# <//businclude.java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 struct amba_device *java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1

 if      :-;
 

 return NULL;
}

static int get_amba_irq(struct vfio_platform_device *vdev, int i)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct amba_device  * =(>);
  >  (,"%8, adev->)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70

   )
t=>[ijava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

 /* zero is an unset IRQ for AMBA devices */ *;
return  :ENXIO
}

static   vfio_amba_opsif())
{
struct * =
  container_ofret ;
 struct amba_device
int;

 >name (GFP_KERNEL"%x,>);
 if (!returnjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
 return;

 vdev- voidadev
 vdev-kfree>);
 vdev->get_resource = get_amba_resource;
 vdev->get_irq
 vdev- =false

 retstruct *  (&>);
 ifjava.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
   const    
 return ret;
.ame vfio-amba

static=,
 int(  adev struct *)
{
 struct vfio_platform_device=,
 int .   ,

vdev(vfio_platform_device,&>dev
       =,
 .   ,
 . =vfio_iommufd_physical_bind =,

ret(vdev-;
 detach_,
 goto;

 pm_runtime_enable(&adev-
dev_set_drvdata>, );
 return0  ,

java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
(&>vdev
 return ret ,
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static  ,
{
struct * =
 ();

 (vdev
(vdev-);
}

  (  *adev
{
 struct vfio_platform_device *vdev = dev_get_drvdata(&adev->dev);

 vfio_unregister_group_dev(&vdev->vdev);
 pm_runtime_disable(vdev->device);
 vfio_put_device(&vdev->vdev);
}

static const struct vfio_device_ops vfio_amba_ops = {
 .name  = "vfio-amba",
 .init  = vfio_amba_init_dev,
 .release = vfio_amba_release_dev,
 .open_device = vfio_platform_open_device,
 .close_device = vfio_platform_close_device,
 .ioctl  = vfio_platform_ioctl,
 .read  = vfio_platform_read,
 .write  = vfio_platform_write,
 .mmap  = vfio_platform_mmap,
 .bind_iommufd = vfio_iommufd_physical_bind,
 .unbind_iommufd = vfio_iommufd_physical_unbind,
 .attach_ioas = vfio_iommufd_physical_attach_ioas,
 .detach_ioas = vfio_iommufd_physical_detach_ioas,
};

static const struct amba_id vfio_amba_ids[] = {
 { 0, 0 },
};

MODULE_DEVICE_TABLE(amba, vfio_amba_ids);

static struct amba_driver vfio_amba_driver = {
 .probe = vfio_amba_probe,
 .remove = vfio_amba_remove,
 .id_table = vfio_amba_ids,
 .drv = {
  .name = "vfio-amba",
 },
 .driver_managed_dma = true,
};

module_amba_driver(vfio_amba_driver);

MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);