/**
* Fetch value of network device setting
*
* @v settings Settings block
* @v setting Setting to fetch
* @v data Setting data, or NULL to clear setting
* @v len Length of setting data
* @ret rc Return status code
*/
static int netdev_fetch ( struct settings *settings, struct setting *setting,
void *data, size_t len ) {
struct net_device *netdev = container_of ( settings, struct net_device,
settings.settings );
struct device_description *desc = &netdev->dev->desc;
struct dhcp_netdev_desc dhcp_desc;
if ( setting_cmp ( setting, &mac_setting ) == 0 ) {
if ( len > netdev->ll_protocol->ll_addr_len )
len = netdev->ll_protocol->ll_addr_len;
memcpy ( data, netdev->ll_addr, len );
return netdev->ll_protocol->ll_addr_len;
}
if ( setting_cmp ( setting, &busid_setting ) == 0 ) {
dhcp_desc.type = desc->bus_type;
dhcp_desc.vendor = htons ( desc->vendor );
dhcp_desc.device = htons ( desc->device );
if ( len > sizeof ( dhcp_desc ) )
len = sizeof ( dhcp_desc );
memcpy ( data, &dhcp_desc, len );
return sizeof ( dhcp_desc );
}
return generic_settings_fetch ( settings, setting, data, len );
}
/**
* Generate EFI SNP questions
*
* @v snpdev SNP device
* @v ifr IFR builder
* @v varstore_id Variable store identifier
*/
static void efi_snp_hii_questions ( struct efi_snp_device *snpdev,
struct efi_ifr_builder *ifr,
unsigned int varstore_id ) {
struct setting *setting;
struct setting *previous = NULL;
unsigned int name_id;
unsigned int prompt_id;
unsigned int help_id;
unsigned int question_id;
/* Add all applicable settings */
for_each_table_entry ( setting, SETTINGS ) {
if ( ! efi_snp_hii_setting_applies ( snpdev, setting ) )
continue;
if ( previous && ( setting_cmp ( setting, previous ) == 0 ) )
continue;
previous = setting;
name_id = efi_ifr_string ( ifr, "%s", setting->name );
prompt_id = efi_ifr_string ( ifr, "%s", setting->description );
help_id = efi_ifr_string ( ifr, PRODUCT_SETTING_URI,
setting->name );
question_id = setting->tag;
efi_ifr_string_op ( ifr, prompt_id, help_id,
question_id, varstore_id, name_id,
0, 0x00, 0xff, 0 );
}
}
/**
* Store value of network device setting
*
* @v settings Settings block
* @v setting Setting to store
* @v data Setting data, or NULL to clear setting
* @v len Length of setting data
* @ret rc Return status code
*/
static int netdev_store ( struct settings *settings, struct setting *setting,
const void *data, size_t len ) {
struct net_device *netdev = container_of ( settings, struct net_device,
settings.settings );
if ( setting_cmp ( setting, &mac_setting ) == 0 ) {
if ( len != netdev->ll_protocol->ll_addr_len )
return -EINVAL;
memcpy ( netdev->ll_addr, data, len );
return 0;
}
return generic_settings_store ( settings, setting, data, len );
}
