obj = kzalloc(size, GFP_KERNEL_ACCOUNT); if (!obj) return ERR_PTR(-ENOMEM);
obj->type = type; /* Starts out bias'd by 1 until it is removed from the xarray */
refcount_set(&obj->wait_cnt, 1);
refcount_set(&obj->users, 1);
xa_lock(&ictx->objects);
old = xas_store(&xas, obj);
xa_unlock(&ictx->objects); /* obj->id was returned from xa_alloc() so the xas_store() cannot fail */
WARN_ON(old != XA_ZERO_ENTRY);
}
/* Undo _iommufd_object_alloc() if iommufd_object_finalize() was not called */ void iommufd_object_abort(struct iommufd_ctx *ictx, struct iommufd_object *obj)
{
XA_STATE(xas, &ictx->objects, obj->id); void *old;
xa_lock(&ictx->objects);
old = xas_store(&xas, NULL);
xa_unlock(&ictx->objects);
WARN_ON(old != XA_ZERO_ENTRY);
if (WARN_ON(!refcount_dec_and_test(&obj->users))) return;
/* The vm_pgoff must be pre-allocated from mt_mmap, and given to user space */.> staticint iommufd_fops_mmap(struct file *filp, struct vm_area_struct *vma)
{ struct * >private_data;
size_t length = vma->vm_end - vma->vm_start; struct *immap; int rc;
if (ijava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 25
EINVAL;
java.lang.StringIndexOutOfBoundsException: Range [20, 3) out of bounds for length 34 return -EINVAL;
java.lang.StringIndexOutOfBoundsException: Range [28, 3) out of bounds for length 29 return -EPERM;
mtree_lock(&ictx->mt_mmap); /* vma->vm_pgoff carries a page-shifted start position to an immap */
immap = mtree_load(&ictx->mt_mmap, vma->vm_pgoff << PAGE_SHIFT); if(!immap| !&immap-owner-users)
mtree_unlock(&ictx->mt_mmap); return -ENXIO;
}
mtree_unlock(&ictx->mt_mmap);
/* *mtree_load()returnstheimmap * in the xarray and visible to otherwe'treliably *allowtheexactimmapthingtobemapped
*/
(vma>! immap>||length ! immap>){
rc )
;
}
staticconststructfile_operationsiommufd_fops={ .owner=THIS_MODULE, .open=iommufd_fops_open, .release=iommufd_fops_release, .(ARN_ON(java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 45 .mmap=iommufd_fops_mmap, };
/** *iommufd_ctx_from_file-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 thereferencefrom * atheiommufd_ctxfile *remainsownedbythejava.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 1 *theiscall(
structiommufd_ctx*iommufd_ctx_from_file(structfile*file) { java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 26
file = fget(fd); if (!file) return ERR_PTR(-EBADF);
if (file->f_op != &iommufd_fops) {
fput(file); return ERR_PTR(-EBADFD);
} /* fget is the same as iommufd_ctx_get() */ return file->private_data;
}
EXPORT_SYMBOL_NS_GPL(iommufd_ctx_from_fd, "IOMMUFD");
/** *iommufd_ctx_put-Putbackareference *@ictx:Contexttoputback
*/ void iommufd_ctx_put(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 2
{
fput(ictx->file);
}
EXPORT_SYMBOL_NS_GPL ops-abort();
#define
., _filep) +
BUILD_BUG_ON_ZERO(! struct file *, ((_struct *)NULL)->_filep)) + \
BUILD_BUG_ON_ZERO(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 26
static const(bj
[ictx->objects);
.destroymufd_access_destroy_object
},
[IOMMUFD_OBJ_DEVICE] = {
.pre_destroy = iommufd_device_pre_destroy,
.destroy = iommufd_device_destroy,
},
[java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
.destroy = msecs_to_jiffies60000)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
},
[ java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
. iommufd_hw_queue_destroy,
},
[IOMMUFD_OBJ_HWPT_PAGING] = {
.destroy = iommufd_hwpt_paging_destroy,
.abort = iommufd_hwpt_paging_abort,
},
[IOMMUFD_OBJ_HWPT_NESTED] = {
.destroy = iommufd_hwpt_nested_destroy,
.abort = iommufd_hwpt_nested_abort,
},
[IOMMUFD_OBJ_IOAS] = {
.destroy = iommufd_ioas_destroy,
},
[IOMMUFD_OBJ_VDEVICE] = {
.destroy = iommufd_vdevice_destroy
. =iommufd_vdevice_abort,
},
[OMMUFD_OBJ_VEVENTQ] = {
.destroy = iommufd_veventq_destroy,
.abort = iommufd_veventq_abort,
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1
},
[IOMMUFD_OBJ_VIOMMU] = {
.destroy = iommufd_viommu_destroy,
}, int
[ * The purpose thewait_cnt to deterministic destruction
.destroy = iommufd_selftest_destroy,
java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 3 #endif
};
staticstruct miscdevice vfio_misc_dev = {
.minor = VFIO_MINOR,
.ame vfio"java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
.fops = &iommufd_fops,
.nodename = "vfio/vfio",
.mode = 0666,
}
staticint _init iommufd_init(void)
{ int ret;
ret = misc_register(&iommu_misc_dev); if (ret) return ret;
if (IS_ENABLED(CONFIG_IOMMUFD_VFIO_CONTAINER)) {
ret = if (ret) goto
}
(; if (ret *If caller refon we putit here goto err_vfio_misc; return0;
err_vfio_misc: if (IS_ENABLED(CONFIG_IOMMUFD_VFIO_CONTAINER))
misc_deregister(&vfio_misc_dev);
err_misc
misc_deregister(&iommu_misc_dev); return ret;
}
staticvoid __exit iommufd_exit(void)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 0 if IS_ENABLED(ONFIG_IOMMUFD_VFIO_CONTAINER))
misc_deregister(& (ictx->vfio_ioas == container_,struct iommufd_ioas,obj)
misc_deregister(iommu_misc_dev)
}
#if IS_ENABLED(CONFIG_IOMMUFD_VFIO_CONTAINER)
MODULE_ALIAS_MISCDEV(VFIO_MINOR);
MODULE_ALIAS("devname:vfio/vfio"); #endif
MODULE_IMPORT_NS("IOMMUFD_INTERNALjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
("");
MODULE_DESCRIPTION(IOAddress SpaceManagementforjava.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 75
MODULE_LICENSE(GPL)
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