diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/smbios.c | 43 |
1 files changed, 34 insertions, 9 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index ea429713ae..c05f905892 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -1177,30 +1177,55 @@ static u8 smbios_get_device_type_from_dev(struct device *dev) } } -static int smbios_generate_type41_from_devtree(struct device *dev, int *handle, - unsigned long *current) +static bool smbios_get_type41_instance_id(struct device *dev, u8 device_type, u8 *instance_id) { +#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) + *instance_id = dev->smbios_instance_id; + return dev->smbios_instance_id_valid; +#else static u8 type41_inst_cnt[SMBIOS_DEVICE_TYPE_COUNT + 1] = {}; + if (device_type == SMBIOS_DEVICE_TYPE_OTHER || + device_type == SMBIOS_DEVICE_TYPE_UNKNOWN) + return false; + + if (device_type > SMBIOS_DEVICE_TYPE_COUNT) + return false; + + *instance_id = type41_inst_cnt[device_type]++; + return true; +#endif +} + +static const char *smbios_get_type41_refdes(struct device *dev) +{ +#if CONFIG(SMBIOS_TYPE41_PROVIDED_BY_DEVTREE) + if (dev->smbios_refdes) + return dev->smbios_refdes; +#endif + return get_pci_subclass_name(dev); +} + +static int smbios_generate_type41_from_devtree(struct device *dev, int *handle, + unsigned long *current) +{ if (dev->path.type != DEVICE_PATH_PCI) return 0; if (!dev->on_mainboard) return 0; - u8 device_type = smbios_get_device_type_from_dev(dev); + const u8 device_type = smbios_get_device_type_from_dev(dev); - if (device_type == SMBIOS_DEVICE_TYPE_OTHER || - device_type == SMBIOS_DEVICE_TYPE_UNKNOWN) - return 0; + u8 instance_id; - if (device_type > SMBIOS_DEVICE_TYPE_COUNT) + if (!smbios_get_type41_instance_id(dev, device_type, &instance_id)) return 0; - const char *name = get_pci_subclass_name(dev); + const char *name = smbios_get_type41_refdes(dev); return smbios_write_type41(current, handle, name, // name - type41_inst_cnt[device_type]++, // inst + instance_id, // inst 0, // segment dev->bus->secondary, //bus PCI_SLOT(dev->path.pci.devfn), // device |