1 #ifndef _GPXE_FEATURES_H 2 #define _GPXE_FEATURES_H 3 4 #include <stdint.h> 5 #include <gpxe/tables.h> 6 #include <gpxe/dhcp.h> 7 8 /** @file 9 * 10 * Feature list 11 * 12 */ 13 14 FILE_LICENCE ( GPL2_OR_LATER ); 15 16 /** 17 * @defgroup featurecat Feature categories 18 * @{ 19 */ 20 21 #define FEATURE_PROTOCOL 01 /**< Network protocols */ 22 #define FEATURE_IMAGE 02 /**< Image formats */ 23 #define FEATURE_MISC 03 /**< Miscellaneous */ 24 25 /** @} */ 26 27 /** 28 * @defgroup dhcpfeatures DHCP feature option tags 29 * 30 * DHCP feature option tags are Etherboot encapsulated options in the 31 * range 0x10-0x7f. 32 * 33 * @{ 34 */ 35 36 #define DHCP_EB_FEATURE_PXE_EXT 0x10 /**< PXE API extensions */ 37 #define DHCP_EB_FEATURE_ISCSI 0x11 /**< iSCSI protocol */ 38 #define DHCP_EB_FEATURE_AOE 0x12 /**< AoE protocol */ 39 #define DHCP_EB_FEATURE_HTTP 0x13 /**< HTTP protocol */ 40 #define DHCP_EB_FEATURE_HTTPS 0x14 /**< HTTPS protocol */ 41 #define DHCP_EB_FEATURE_TFTP 0x15 /**< TFTP protocol */ 42 #define DHCP_EB_FEATURE_FTP 0x16 /**< FTP protocol */ 43 #define DHCP_EB_FEATURE_DNS 0x17 /**< DNS protocol */ 44 #define DHCP_EB_FEATURE_BZIMAGE 0x18 /**< bzImage format */ 45 #define DHCP_EB_FEATURE_MULTIBOOT 0x19 /**< Multiboot format */ 46 #define DHCP_EB_FEATURE_SLAM 0x1a /**< SLAM protocol */ 47 #define DHCP_EB_FEATURE_SRP 0x1b /**< SRP protocol */ 48 #define DHCP_EB_FEATURE_NBI 0x20 /**< NBI format */ 49 #define DHCP_EB_FEATURE_PXE 0x21 /**< PXE format */ 50 #define DHCP_EB_FEATURE_ELF 0x22 /**< ELF format */ 51 #define DHCP_EB_FEATURE_COMBOOT 0x23 /**< COMBOOT format */ 52 #define DHCP_EB_FEATURE_EFI 0x24 /**< EFI format */ 53 54 /** @} */ 55 56 /** DHCP feature table */ 57 #define DHCP_FEATURES __table ( uint8_t, "dhcp_features" ) 58 59 /** Declare a feature code for DHCP */ 60 #define __dhcp_feature __table_entry ( DHCP_FEATURES, 01 ) 61 62 /** Construct a DHCP feature table entry */ 63 #define DHCP_FEATURE( feature_opt, ... ) \ 64 _DHCP_FEATURE ( OBJECT, feature_opt, __VA_ARGS__ ) 65 #define _DHCP_FEATURE( _name, feature_opt, ... ) \ 66 __DHCP_FEATURE ( _name, feature_opt, __VA_ARGS__ ) 67 #define __DHCP_FEATURE( _name, feature_opt, ... ) \ 68 uint8_t __dhcp_feature_ ## _name [] __dhcp_feature = { \ 69 feature_opt, DHCP_OPTION ( __VA_ARGS__ ) \ 70 }; 71 72 /** A named feature */ 73 struct feature { 74 /** Feature name */ 75 char *name; 76 }; 77 78 /** Named feature table */ 79 #define FEATURES __table ( struct feature, "features" ) 80 81 /** Declare a named feature */ 82 #define __feature_name( category ) __table_entry ( FEATURES, category ) 83 84 /** Construct a named feature */ 85 #define FEATURE_NAME( category, text ) \ 86 _FEATURE_NAME ( category, OBJECT, text ) 87 #define _FEATURE_NAME( category, _name, text ) \ 88 __FEATURE_NAME ( category, _name, text ) 89 #define __FEATURE_NAME( category, _name, text ) \ 90 struct feature __feature_ ## _name __feature_name ( category ) = { \ 91 .name = text, \ 92 }; 93 94 /** Declare a feature */ 95 #define FEATURE( category, text, feature_opt, version ) \ 96 FEATURE_NAME ( category, text ); \ 97 DHCP_FEATURE ( feature_opt, version ); 98 99 /** Declare the version number feature */ 100 #define FEATURE_VERSION( ... ) \ 101 DHCP_FEATURE ( DHCP_ENCAPSULATED ( DHCP_EB_VERSION ), __VA_ARGS__ ) 102 103 #endif /* _GPXE_FEATURES_H */ 104