/**
* amdgpu_driver_postclose_kms - drm callback for post close
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device post close, tear down vm on cayman+ (all asics).
*/
void amdgpu_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
struct amdgpu_bo_list *list;
struct amdgpu_bo *pd;
unsigned int pasid;
int handle;
if (!fpriv)
return;
pm_runtime_get_sync(dev->dev);
if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
amdgpu_uvd_free_handles(adev, file_priv);
if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
amdgpu_vce_free_handles(adev, file_priv);
amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
if (amdgpu_sriov_vf(adev)) {
/* TODO: how to handle reserve failure */
BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
fpriv->csa_va = NULL;
amdgpu_bo_unreserve(adev->virt.csa_obj);
}
pasid = fpriv->vm.pasid;
pd = amdgpu_bo_ref(fpriv->vm.root.base.bo);
amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
amdgpu_vm_fini(adev, &fpriv->vm);
if (pasid)
amdgpu_pasid_free_delayed(pd->tbo.resv, pasid);
amdgpu_bo_unref(&pd);
idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
amdgpu_bo_list_put(list);
idr_destroy(&fpriv->bo_list_handles);
mutex_destroy(&fpriv->bo_list_lock);
kfree(fpriv);
file_priv->driver_priv = NULL;
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
}
int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
{
const uint32_t info_size = sizeof(struct drm_amdgpu_bo_list_entry);
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_fpriv *fpriv = filp->driver_priv;
union drm_amdgpu_bo_list *args = data;
uint32_t handle = args->in.list_handle;
const void __user *uptr = u64_to_user_ptr(args->in.bo_info_ptr);
struct drm_amdgpu_bo_list_entry *info;
struct amdgpu_bo_list *list;
int r;
info = kvmalloc_array(args->in.bo_number,
sizeof(struct drm_amdgpu_bo_list_entry), GFP_KERNEL);
if (!info)
return -ENOMEM;
/* copy the handle array from userspace to a kernel buffer */
r = -EFAULT;
if (likely(info_size == args->in.bo_info_size)) {
unsigned long bytes = args->in.bo_number *
args->in.bo_info_size;
if (copy_from_user(info, uptr, bytes))
goto error_free;
} else {
unsigned long bytes = min(args->in.bo_info_size, info_size);
unsigned i;
memset(info, 0, args->in.bo_number * info_size);
for (i = 0; i < args->in.bo_number; ++i) {
if (copy_from_user(&info[i], uptr, bytes))
goto error_free;
uptr += args->in.bo_info_size;
}
}
switch (args->in.operation) {
case AMDGPU_BO_LIST_OP_CREATE:
r = amdgpu_bo_list_create(adev, filp, info, args->in.bo_number,
&handle);
if (r)
goto error_free;
break;
case AMDGPU_BO_LIST_OP_DESTROY:
amdgpu_bo_list_destroy(fpriv, handle);
handle = 0;
break;
case AMDGPU_BO_LIST_OP_UPDATE:
r = -ENOENT;
list = amdgpu_bo_list_get(fpriv, handle);
if (!list)
goto error_free;
r = amdgpu_bo_list_set(adev, filp, list, info,
args->in.bo_number);
amdgpu_bo_list_put(list);
if (r)
goto error_free;
break;
default:
r = -EINVAL;
goto error_free;
}
memset(args, 0, sizeof(*args));
args->out.list_handle = handle;
kvfree(info);
return 0;
error_free:
kvfree(info);
return r;
}
