1 // SPDX-License-Identifier: GPL-2.0-only
18 	int rc = 0;  in xen_unmap_device_mmio()  local
30 			xrp.gpfn = XEN_PFN_DOWN(r->start) + j;  in xen_unmap_device_mmio()
31 			rc = HYPERVISOR_memory_op(XENMEM_remove_from_physmap,  in xen_unmap_device_mmio()
33 			if (rc)  in xen_unmap_device_mmio()
34 				return rc;  in xen_unmap_device_mmio()
38 	return rc;  in xen_unmap_device_mmio()
45 	int rc = 0;  in xen_map_device_mmio()  local
69 			rc = -ENOMEM;  in xen_map_device_mmio()
76 			 * fine because the memory map for DOM0 is the same as  in xen_map_device_mmio()
79 			gpfns[j] = XEN_PFN_DOWN(r->start) + j;  in xen_map_device_mmio()
80 			idxs[j] = XEN_PFN_DOWN(r->start) + j;  in xen_map_device_mmio()
89 		rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap_range, &xatp);  in xen_map_device_mmio()
93 		if (rc)  in xen_map_device_mmio()
97 	return rc;  in xen_map_device_mmio()
101 	return rc;  in xen_map_device_mmio()
110 	if (pdev->num_resources == 0 || pdev->resource == NULL)  in xen_platform_notifier()
115 		r = xen_map_device_mmio(pdev->resource, pdev->num_resources);  in xen_platform_notifier()
118 		r = xen_unmap_device_mmio(pdev->resource, pdev->num_resources);  in xen_platform_notifier()
124 		dev_err(&pdev->dev, "Platform: Failed to %s device %s MMIO!\n",  in xen_platform_notifier()
125 			action == BUS_NOTIFY_ADD_DEVICE ? "map" :  in xen_platform_notifier()
127 			pdev->name);  in xen_platform_notifier()
157 		r = xen_map_device_mmio(&adev->res, 1);  in xen_amba_notifier()
160 		r = xen_unmap_device_mmio(&adev->res, 1);  in xen_amba_notifier()
166 		dev_err(&adev->dev, "AMBA: Failed to %s device %s MMIO!\n",  in xen_amba_notifier()
167 			action == BUS_NOTIFY_ADD_DEVICE ? "map" :  in xen_amba_notifier()
169 			adev->dev.init_name);  in xen_amba_notifier()