1 /*-
50 #include <dev/pci/pcireg.h>
51 #include <dev/pci/pcivar.h>
52 #include <dev/pci/pci_private.h>
61 ACPI_MODULE_NAME("PCI")
69 ACPI_SERIAL_DECL(pci_powerstate, "ACPI PCI power methods");
71 /* Be sure that ACPI and PCI power states are equivalent. */
96 static int	acpi_pci_get_domain(device_t dev, device_t child, int *domain);
114 	/* PCI interface */
122 DEFINE_CLASS_1(pci, acpi_pci_driver, acpi_pci_methods, sizeof(struct pci_softc),
126 MODULE_DEPEND(acpi_pci, pci, 1, 1, 1);
135 	return (&dinfo->ap_dinfo);  in acpi_pci_alloc_devinfo()
146 	*result = (uintptr_t)dinfo->ap_handle;  in acpi_pci_read_ivar()
149 	*result = (uintptr_t)dinfo->ap_flags;  in acpi_pci_read_ivar()
163 	dinfo->ap_handle = (ACPI_HANDLE)value;  in acpi_pci_write_ivar()
166 	dinfo->ap_flags = (int)value;  in acpi_pci_write_ivar()
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()
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'.
213  * If a device has a _PXM method, map that to a NUMA domain.
215  * If there's no matching domain or the domain cannot be
219 acpi_pci_get_domain(device_t dev, device_t child, int *domain)  in acpi_pci_get_domain()  argument
225 		*domain = d;  in acpi_pci_get_domain()
228 	if (d == -1)  in acpi_pci_get_domain()
232 	return (bus_generic_get_domain(dev, child, domain));  in acpi_pci_get_domain()
236  * PCI power manangement
250 	 * We set the state using PCI Power Management outside of setting  in acpi_pci_set_powerstate_method()
252 	 * first shut it down using PCI, and then using ACPI, which lets ACPI  in acpi_pci_set_powerstate_method()
255 	 * it can enable any needed Power Resources before changing the PCI  in acpi_pci_set_powerstate_method()
290 	 * Occasionally a PCI device may show up as an ACPI device  in acpi_pci_update_device()
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()
306 	 * Update ACPI-CA to use the PCI enumerated device_t for this handle.  in acpi_pci_update_device()
310 		printf("WARNING: Unable to attach object data to %s - %s\n",  in acpi_pci_update_device()
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()
345 	 * PCI devices are added via the bus scan in the normal PCI  in acpi_pci_child_added()
352 	 * XXX: Sometimes PCI devices show up in the ACPI namespace that  in acpi_pci_child_added()
366 	device_set_desc(dev, "ACPI PCI bus");  in acpi_pci_probe()