diff options
Diffstat (limited to 'sys/dev/acpica/acpi.c')
| -rw-r--r-- | sys/dev/acpica/acpi.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c index 37c79a5..abbc9b5 100644 --- a/sys/dev/acpica/acpi.c +++ b/sys/dev/acpica/acpi.c @@ -208,6 +208,7 @@ static device_method_t acpi_methods[] = { DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), DEVMETHOD(bus_hint_device_unit, acpi_hint_device_unit), + DEVMETHOD(bus_get_domain, acpi_get_domain), /* ACPI bus */ DEVMETHOD(acpi_id_probe, acpi_device_id_probe), @@ -794,6 +795,7 @@ acpi_print_child(device_t bus, device_t child) retval += resource_list_print_type(rl, "drq", SYS_RES_DRQ, "%ld"); if (device_get_flags(child)) retval += printf(" flags %#x", device_get_flags(child)); + retval += bus_print_child_domain(bus, child); retval += bus_print_child_footer(bus, child); return (retval); @@ -1067,6 +1069,35 @@ acpi_hint_device_unit(device_t acdev, device_t child, const char *name, } /* + * Fech the NUMA domain for the given device. + * + * If a device has a _PXM method, map that to a NUMA domain. + * + * If none is found, then it'll call the parent method. + * If there's no domain, return ENOENT. + */ +int +acpi_get_domain(device_t dev, device_t child, int *domain) +{ +#if MAXMEMDOM > 1 + ACPI_HANDLE h; + int d, pxm; + + h = acpi_get_handle(child); + if ((h != NULL) && + ACPI_SUCCESS(acpi_GetInteger(h, "_PXM", &pxm))) { + d = acpi_map_pxm_to_vm_domainid(pxm); + if (d < 0) + return (ENOENT); + *domain = d; + return (0); + } +#endif + /* No _PXM node; go up a level */ + return (bus_generic_get_domain(dev, child, domain)); +} + +/* * Pre-allocate/manage all memory and IO resources. Since rman can't handle * duplicates, we merge any in the sysresource attach routine. */ |
