1 /*-
43 #include <contrib/dev/acpica/include/acpi.h>
44 #include <contrib/dev/acpica/include/accommon.h>
46 #include <dev/acpica/acpivar.h>
47 #include <dev/acpica/acpi_pcivar.h>
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcivar.h>
52 #include <dev/pci/pci_private.h>
54 #include <dev/iommu/iommu.h>
77 static struct pci_devinfo *acpi_pci_alloc_devinfo(device_t dev);
78 static int	acpi_pci_attach(device_t dev);
79 static void	acpi_pci_child_deleted(device_t dev, device_t child);
84 static int	acpi_pci_detach(device_t dev);
85 static int	acpi_pci_probe(device_t dev);
86 static int	acpi_pci_read_ivar(device_t dev, device_t child, int which,
88 static int	acpi_pci_write_ivar(device_t dev, device_t child, int which,
90 static ACPI_STATUS acpi_pci_save_handle(ACPI_HANDLE handle, UINT32 level,
92 static int	acpi_pci_set_powerstate_method(device_t dev, device_t child,
94 static void	acpi_pci_update_device(ACPI_HANDLE handle, device_t pci_child);
96 static int	acpi_pci_get_domain(device_t dev, device_t child, int *domain);
130 acpi_pci_alloc_devinfo(device_t dev)  in acpi_pci_alloc_devinfo()  argument
135 	return (&dinfo->ap_dinfo);  in acpi_pci_alloc_devinfo()
139 acpi_pci_read_ivar(device_t dev, device_t child, int which, uintptr_t *result)  in acpi_pci_read_ivar()  argument
146 	*result = (uintptr_t)dinfo->ap_handle;  in acpi_pci_read_ivar()
149 	*result = (uintptr_t)dinfo->ap_flags;  in acpi_pci_read_ivar()
152     return (pci_read_ivar(dev, child, which, result));  in acpi_pci_read_ivar()
156 acpi_pci_write_ivar(device_t dev, device_t child, int which, uintptr_t value)  in acpi_pci_write_ivar()  argument
163 	dinfo->ap_handle = (ACPI_HANDLE)value;  in acpi_pci_write_ivar()
166 	dinfo->ap_flags = (int)value;  in acpi_pci_write_ivar()
169     return (pci_write_ivar(dev, child, which, value));  in acpi_pci_write_ivar()
173 acpi_pci_child_deleted(device_t dev, device_t child)  in acpi_pci_child_deleted()  argument
177 	if (acpi_get_device(dinfo->ap_handle) == child)  in acpi_pci_child_deleted()
178 		AcpiDetachData(dinfo->ap_handle, acpi_fake_objhandler);  in acpi_pci_child_deleted()
179 	pci_child_deleted(dev, child);  in acpi_pci_child_deleted()
190 	if (dinfo->ap_handle) {  in acpi_pci_child_location_method()
191 		sbuf_printf(sb, " handle=%s", acpi_name(dinfo->ap_handle));  in acpi_pci_child_location_method()
192 		if (ACPI_SUCCESS(acpi_GetInteger(dinfo->ap_handle, "_PXM", &pxm))) {  in acpi_pci_child_location_method()
211  * Fetch the NUMA domain for the given device 'dev'.
219 acpi_pci_get_domain(device_t dev, device_t child, int *domain)  in acpi_pci_get_domain()  argument
228 	if (d == -1)  in acpi_pci_get_domain()
232 	return (bus_generic_get_domain(dev, child, domain));  in acpi_pci_get_domain()
239 acpi_pci_set_powerstate_method(device_t dev, device_t child, int state)  in acpi_pci_set_powerstate_method()  argument
261 		error = pci_set_powerstate_method(dev, child, state);  in acpi_pci_set_powerstate_method()
269 			device_printf(dev, "set ACPI power state D%d on %s\n",  in acpi_pci_set_powerstate_method()
272 		device_printf(dev,  in acpi_pci_set_powerstate_method()
276 		error = pci_set_powerstate_method(dev, child, state);  in acpi_pci_set_powerstate_method()
284 acpi_pci_update_device(ACPI_HANDLE handle, device_t pci_child)  in acpi_pci_update_device()  argument
292 	 * second PCI-ISA bridge that has a _HID for an  in acpi_pci_update_device()
293 	 * acpi_sysresource device.)  In that case, leave ACPI-CA's  in acpi_pci_update_device()
294 	 * device data pointing at the ACPI-enumerated device.  in acpi_pci_update_device()
296 	child = acpi_get_device(handle);  in acpi_pci_update_device()
301 		    acpi_name(handle)));  in acpi_pci_update_device()
306 	 * Update ACPI-CA to use the PCI enumerated device_t for this handle.  in acpi_pci_update_device()
308 	status = AcpiAttachData(handle, acpi_fake_objhandler, pci_child);  in acpi_pci_update_device()
310 		printf("WARNING: Unable to attach object data to %s - %s\n",  in acpi_pci_update_device()
311 		    acpi_name(handle), AcpiFormatException(status));  in acpi_pci_update_device()
315 acpi_pci_save_handle(ACPI_HANDLE handle, UINT32 level, void *context,  in acpi_pci_save_handle()  argument
326 	if (ACPI_FAILURE(acpi_GetInteger(handle, "_ADR", &address)))  in acpi_pci_save_handle()
331 	if (dinfo->ap_dinfo.cfg.func == func &&  in acpi_pci_save_handle()
332 	    dinfo->ap_dinfo.cfg.slot == slot) {  in acpi_pci_save_handle()
333 		dinfo->ap_handle = handle;  in acpi_pci_save_handle()
334 		acpi_pci_update_device(handle, child);  in acpi_pci_save_handle()
341 acpi_pci_child_added(device_t dev, device_t child)  in acpi_pci_child_added()  argument
356 	AcpiWalkNamespace(ACPI_TYPE_DEVICE, acpi_get_handle(dev), 1,  in acpi_pci_child_added()
361 acpi_pci_probe(device_t dev)  in acpi_pci_probe()  argument
364 	if (acpi_get_handle(dev) == NULL)  in acpi_pci_probe()
366 	device_set_desc(dev, "ACPI PCI bus");  in acpi_pci_probe()
373 	device_t dev;  in acpi_pci_bus_notify_handler()  local
375 	dev = context;  in acpi_pci_bus_notify_handler()
380 		BUS_RESCAN(dev);  in acpi_pci_bus_notify_handler()
384 		device_printf(dev, "unknown notify %#x\n", notify);  in acpi_pci_bus_notify_handler()
392 	device_t child, dev;  in acpi_pci_device_notify_handler()  local
396 	dev = context;  in acpi_pci_device_notify_handler()
401 		BUS_RESCAN(dev);  in acpi_pci_device_notify_handler()
407 			device_printf(dev, "no device to eject for %s\n",  in acpi_pci_device_notify_handler()
415 			device_printf(dev, "failed to detach %s: %d\n",  in acpi_pci_device_notify_handler()
422 			device_printf(dev, "failed to eject %s: %s\n",  in acpi_pci_device_notify_handler()
426 		BUS_RESCAN(dev);  in acpi_pci_device_notify_handler()
430 		device_printf(dev, "unknown notify %#x for %s\n", notify,  in acpi_pci_device_notify_handler()
437 acpi_pci_install_device_notify_handler(ACPI_HANDLE handle, UINT32 level,  in acpi_pci_install_device_notify_handler()  argument
444 	if (ACPI_FAILURE(AcpiGetHandle(handle, "_EJ0", &h)))  in acpi_pci_install_device_notify_handler()
447 	AcpiInstallNotifyHandler(handle, ACPI_SYSTEM_NOTIFY,  in acpi_pci_install_device_notify_handler()
453 acpi_pci_attach(device_t dev)  in acpi_pci_attach()  argument
457 	error = pci_attach(dev);  in acpi_pci_attach()
460 	AcpiInstallNotifyHandler(acpi_get_handle(dev), ACPI_SYSTEM_NOTIFY,  in acpi_pci_attach()
461 	    acpi_pci_bus_notify_handler, dev);  in acpi_pci_attach()
462 	AcpiWalkNamespace(ACPI_TYPE_DEVICE, acpi_get_handle(dev), 1,  in acpi_pci_attach()
463 	    acpi_pci_install_device_notify_handler, NULL, dev, NULL);  in acpi_pci_attach()
469 acpi_pci_remove_notify_handler(ACPI_HANDLE handle, UINT32 level, void *context,  in acpi_pci_remove_notify_handler()  argument
476 	if (ACPI_FAILURE(AcpiGetHandle(handle, "_EJ0", &h)))  in acpi_pci_remove_notify_handler()
479 	AcpiRemoveNotifyHandler(handle, ACPI_SYSTEM_NOTIFY,  in acpi_pci_remove_notify_handler()
485 acpi_pci_detach(device_t dev)  in acpi_pci_detach()  argument
488 	AcpiWalkNamespace(ACPI_TYPE_DEVICE, acpi_get_handle(dev), 1,  in acpi_pci_detach()
489 	    acpi_pci_remove_notify_handler, NULL, dev, NULL);  in acpi_pci_detach()
490 	AcpiRemoveNotifyHandler(acpi_get_handle(dev), ACPI_SYSTEM_NOTIFY,  in acpi_pci_detach()
492 	return (pci_detach(dev));  in acpi_pci_detach()