| #ifndef _GPXE_FEATURES_H |
| #define _GPXE_FEATURES_H |
| |
| #include <stdint.h> |
| #include <gpxe/tables.h> |
| #include <gpxe/dhcp.h> |
| |
| /** @file |
| * |
| * Feature list |
| * |
| */ |
| |
| FILE_LICENCE ( GPL2_OR_LATER ); |
| |
| /** |
| * @defgroup featurecat Feature categories |
| * @{ |
| */ |
| |
| #define FEATURE_PROTOCOL 01 /**< Network protocols */ |
| #define FEATURE_IMAGE 02 /**< Image formats */ |
| #define FEATURE_MISC 03 /**< Miscellaneous */ |
| |
| /** @} */ |
| |
| /** |
| * @defgroup dhcpfeatures DHCP feature option tags |
| * |
| * DHCP feature option tags are Etherboot encapsulated options in the |
| * range 0x10-0x7f. |
| * |
| * @{ |
| */ |
| |
| #define DHCP_EB_FEATURE_PXE_EXT 0x10 /**< PXE API extensions */ |
| #define DHCP_EB_FEATURE_ISCSI 0x11 /**< iSCSI protocol */ |
| #define DHCP_EB_FEATURE_AOE 0x12 /**< AoE protocol */ |
| #define DHCP_EB_FEATURE_HTTP 0x13 /**< HTTP protocol */ |
| #define DHCP_EB_FEATURE_HTTPS 0x14 /**< HTTPS protocol */ |
| #define DHCP_EB_FEATURE_TFTP 0x15 /**< TFTP protocol */ |
| #define DHCP_EB_FEATURE_FTP 0x16 /**< FTP protocol */ |
| #define DHCP_EB_FEATURE_DNS 0x17 /**< DNS protocol */ |
| #define DHCP_EB_FEATURE_BZIMAGE 0x18 /**< bzImage format */ |
| #define DHCP_EB_FEATURE_MULTIBOOT 0x19 /**< Multiboot format */ |
| #define DHCP_EB_FEATURE_SLAM 0x1a /**< SLAM protocol */ |
| #define DHCP_EB_FEATURE_SRP 0x1b /**< SRP protocol */ |
| #define DHCP_EB_FEATURE_NBI 0x20 /**< NBI format */ |
| #define DHCP_EB_FEATURE_PXE 0x21 /**< PXE format */ |
| #define DHCP_EB_FEATURE_ELF 0x22 /**< ELF format */ |
| #define DHCP_EB_FEATURE_COMBOOT 0x23 /**< COMBOOT format */ |
| #define DHCP_EB_FEATURE_EFI 0x24 /**< EFI format */ |
| |
| /** @} */ |
| |
| /** DHCP feature table */ |
| #define DHCP_FEATURES __table ( uint8_t, "dhcp_features" ) |
| |
| /** Declare a feature code for DHCP */ |
| #define __dhcp_feature __table_entry ( DHCP_FEATURES, 01 ) |
| |
| /** Construct a DHCP feature table entry */ |
| #define DHCP_FEATURE( feature_opt, ... ) \ |
| _DHCP_FEATURE ( OBJECT, feature_opt, __VA_ARGS__ ) |
| #define _DHCP_FEATURE( _name, feature_opt, ... ) \ |
| __DHCP_FEATURE ( _name, feature_opt, __VA_ARGS__ ) |
| #define __DHCP_FEATURE( _name, feature_opt, ... ) \ |
| uint8_t __dhcp_feature_ ## _name [] __dhcp_feature = { \ |
| feature_opt, DHCP_OPTION ( __VA_ARGS__ ) \ |
| }; |
| |
| /** A named feature */ |
| struct feature { |
| /** Feature name */ |
| char *name; |
| }; |
| |
| /** Named feature table */ |
| #define FEATURES __table ( struct feature, "features" ) |
| |
| /** Declare a named feature */ |
| #define __feature_name( category ) __table_entry ( FEATURES, category ) |
| |
| /** Construct a named feature */ |
| #define FEATURE_NAME( category, text ) \ |
| _FEATURE_NAME ( category, OBJECT, text ) |
| #define _FEATURE_NAME( category, _name, text ) \ |
| __FEATURE_NAME ( category, _name, text ) |
| #define __FEATURE_NAME( category, _name, text ) \ |
| struct feature __feature_ ## _name __feature_name ( category ) = { \ |
| .name = text, \ |
| }; |
| |
| /** Declare a feature */ |
| #define FEATURE( category, text, feature_opt, version ) \ |
| FEATURE_NAME ( category, text ); \ |
| DHCP_FEATURE ( feature_opt, version ); |
| |
| /** Declare the version number feature */ |
| #define FEATURE_VERSION( ... ) \ |
| DHCP_FEATURE ( DHCP_ENCAPSULATED ( DHCP_EB_VERSION ), __VA_ARGS__ ) |
| |
| #endif /* _GPXE_FEATURES_H */ |