43 int kfd_iommu_check_device(struct kfd_dev *kfd)  in kfd_iommu_check_device()  argument
48 	if (!kfd->use_iommu_v2)  in kfd_iommu_check_device()
52 	err = amd_iommu_device_info(kfd->pdev, &iommu_info);  in kfd_iommu_check_device()
64 int kfd_iommu_device_init(struct kfd_dev *kfd)  in kfd_iommu_device_init()  argument
70 	if (!kfd->use_iommu_v2)  in kfd_iommu_device_init()
74 	err = amd_iommu_device_info(kfd->pdev, &iommu_info);  in kfd_iommu_device_init()
92 			(unsigned int)(1 << kfd->device_info.max_pasid_bits),  in kfd_iommu_device_init()
207 static int kfd_bind_processes_to_device(struct kfd_dev *kfd)  in kfd_bind_processes_to_device()  argument
218 		pdd = kfd_get_process_device_data(kfd, p);  in kfd_bind_processes_to_device()
225 		err = amd_iommu_bind_pasid(kfd->pdev, p->pasid,  in kfd_bind_processes_to_device()
248 static void kfd_unbind_processes_from_device(struct kfd_dev *kfd)  in kfd_unbind_processes_from_device()  argument
258 		pdd = kfd_get_process_device_data(kfd, p);  in kfd_unbind_processes_from_device()
278 void kfd_iommu_suspend(struct kfd_dev *kfd)  in kfd_iommu_suspend()  argument
280 	if (!kfd->use_iommu_v2)  in kfd_iommu_suspend()
283 	kfd_unbind_processes_from_device(kfd);  in kfd_iommu_suspend()
285 	amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL);  in kfd_iommu_suspend()
286 	amd_iommu_set_invalid_ppr_cb(kfd->pdev, NULL);  in kfd_iommu_suspend()
287 	amd_iommu_free_device(kfd->pdev);  in kfd_iommu_suspend()
295 int kfd_iommu_resume(struct kfd_dev *kfd)  in kfd_iommu_resume()  argument
300 	if (!kfd->use_iommu_v2)  in kfd_iommu_resume()
305 	err = amd_iommu_init_device(kfd->pdev, pasid_limit);  in kfd_iommu_resume()
309 	amd_iommu_set_invalidate_ctx_cb(kfd->pdev,  in kfd_iommu_resume()
311 	amd_iommu_set_invalid_ppr_cb(kfd->pdev,  in kfd_iommu_resume()
314 	err = kfd_bind_processes_to_device(kfd);  in kfd_iommu_resume()
316 		amd_iommu_set_invalidate_ctx_cb(kfd->pdev, NULL);  in kfd_iommu_resume()
317 		amd_iommu_set_invalid_ppr_cb(kfd->pdev, NULL);  in kfd_iommu_resume()
318 		amd_iommu_free_device(kfd->pdev);  in kfd_iommu_resume()